Quantum computing stocks have become highly volatile in the past few months, often rising by double digits in a day and then plunging on the following day. 

Analysts have a mixed opinion on the industry, with some expecting it to keep growing. Other analysts believe that the quantum computing industry is still in its infancy and has more room to grow.

The global quantum computing market size is estimated to range between $1.4 billion and $2.1 billion this year. The market is then expected to experience double-digit growth by 2030, with some analysts estimating it to get to over $6 billion. 

This article explores the top quantum computing stocks to buy for big gains. However, most of these companies are still in their early days and will experience high volatility. 

Alphabet (GOOG)

Alphabet, the parent company of Google and YouTube, is one of the top quantum computing players in the industry. While its quantum computing business is negligible, the company has made progress in the past few years. 

The main component of this business is the Willow chip, a state-of-the-art semiconductor unveiled in July last year. Willow made some major breakthroughs, especially in reducing errors and its performance.

In error reduction, the chip cracked a key challenge that researchers have battled with in the last 30 years. The product was also able to solve a mathematical calculation in under five seconds. Today’s fastest supercomputers would solve the calculation in over 10 septillion years.

Alphabet is less speculative than other quantum computing stocks in this list. Also, it will not make money in this industry in the near term. Instead, investing in Alphabet is a bet that its core search business and YouTube will continue doing well over time. 

IonQ (IONQ)

IonQ is another top quantum stock to buy for big gains. Its stock has already surged to $40.85, up by 557% from its lowest level in 2024. It has also jumped by 126% from the lowest point this year, giving it a market capitalization of over $10 billion. 

Analysts are optimistic that IonQ’s business will continue doing well. The average estimate is that its annual revenue will jump by 95% this year to $84 million, followed by 96% next year to $165 million.

The main issue with IonQ is that its business has become highly overvalued, with its market capitalization being at $10 billion. This means that it trades at 60x 2026 sales, which is huge. 

Read more: IonQ stock’s 45% rally on Thursday may have turned it into a ticking time bomb

Quantum Computing Inc (QUBT)

Quantum Computing Inc.. is another company in the industry that makes integrated photonics and quantum optics. It recently made headlines when it was revealed that it would join the Russell 2000 and Russell 30000. 

Like IonQ, the biggest risk facing QUBT is that it is a highly overvalued company that made just $39,000 in revenues last quarter. Analysts see its annual revenue rising to $500k this year and $1.5 million in the next one. These are tiny numbers for a company valued at $2.47 billion.

Rigetti Computing (RGTI)

Rigetti Computing is a company that focuses on integrating classical systems and quantum computing for industries like AI and finance. It has a market capitalization of over $3.6 billion.

Rigetti Computing has a key product known as Quantum Cloud Services (QCS), which provides a cloud-based access to quantum computers, enabling developers to write and test algorithms. 

While Rigettin Computing is also seen as a good quantum computing stock to buy, there is a risk that it is highly overvalued since its annual revenue is expected to be $8.63 million and $23 million this year and in 2026.

Read more: Deep dive: Why Rigetti Computing’s Q1 EPS isn’t as impressive beneath the surface

The bottom line

Many pure-play quantum computing stocks have become highly overvalued this year. This exposes them to potential pullback and dilution as the companies use the share prices to raise cash. Therefore, analysts recommend focusing on companies like NVIDIA, Amazon, Google, and Microsoft that have solid businesses and are working on quantum computing.

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To achieve its ambitious climate targets, Britain needs to significantly lower its electricity prices, according to a recent progress report from the nation’s climate advisers. 

This strategic move is deemed crucial for accelerating the widespread adoption of key emission-curbing technologies, particularly electric vehicles and heat pumps. 

High electricity prices remain a barrier

High electricity costs act as a substantial barrier to consumers and businesses investing in these more sustainable alternatives, Reuters said, quoting from the progress report.

Currently, the upfront cost and perceived operational expenses of technologies like EVs and heat pumps can deter potential buyers. 

By making electricity more affordable, the British government can effectively reduce the long-term running costs of these devices, making them more financially attractive and accessible to a broader population. 

This affordability is expected to spur a rapid increase in their uptake, contributing significantly to decarbonisation efforts across the transport and heating sectors.

Furthermore, the report implicitly suggests that lower electricity prices would not only incentivise individual adoption but also encourage industries to transition towards cleaner energy sources and processes. 

Recommendations for price reduction

Additionally, achieving net-zero emissions by 2050 necessitates a significant shift in Britain’s energy landscape, particularly the electrification of heating and transport, sectors currently reliant on fossil fuels. 

This transition is crucial for decarbonisation, yet it is hampered by Britain’s high electricity costs. 

Lowering these prices is paramount to accelerate the adoption of technologies like electric vehicles and heat pumps. 

More affordable electricity will reduce operational expenses, making sustainable alternatives financially attractive and accessible to a wider population, ultimately spurring their uptake and contributing to climate targets.

“By far the most important recommendation we have for the government is to reduce the cost of electricity both for households and businesses,” Piers Forster, interim chair of the Committee on Climate Change said, in a briefing on the annual report.

If we want the country to benefit from the transition to electrification, we have to see it reflected in the utility bills.

Progress and challenges in emission control

Ofgem, Britain’s energy regulator, has lowered the cap on domestic energy prices by 7% starting in July. 

Despite this reduction, prices are still approximately 50% higher than they were in the summer of 2021, prior to Russia’s invasion of Ukraine, which caused natural gas prices to surge and triggered an energy crisis across Europe.

The Committee publishes annual reports detailing the government’s progress on climate targets.

Britain has committed to a 68% reduction in emissions between 1990 and 2030, as pledged under the Paris climate agreement. This target can be achieved with further action, according to the report.

The report also included 43 priority recommendations. 

These recommendations focused on several key areas: reducing energy costs, accelerating grid connections for new clean power projects, implementing regulations to mandate low-carbon heating systems in new homes, and releasing a net-zero skills action plan.

Meanwhile, due to an increase in renewable power capacity and the closure of coal-fired power plants, Britain’s emissions have already decreased by approximately 54% since 1990.

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European stock markets are looking at a cautiously positive start on Wednesday, with major indices edging higher as a fragile ceasefire between Iran and Israel appears to be holding, offering some relief to global investors.

Market participants are also digesting recent comments from US Federal Reserve Chair Jerome Powell, which have helped to clarify the central bank’s near-term policy stance.

Global market sentiment improved on Tuesday, fueled by bets that the ceasefire between Iran and Israel could last, despite a shaky start that saw US President Donald Trump publicly criticize both countries for violations.

This tentative de-escalation in the Middle East remains the primary focus for European markets on Wednesday.

Adding to the market’s mood, traders are also processing the latest remarks from Fed Chair Jerome Powell.

On Tuesday, Powell reiterated that the central bank was committed to keeping inflation in check and would likely keep interest rates steady until there is more clarity on how ongoing trade tariffs might affect prices.

Powell stated that policymakers were “well positioned to wait to learn more about the likely course of the economy before considering any adjustments to our policy stance.”

This message of patience from the Fed has been interpreted by some as a stabilizing force for markets.

Futures data from IG suggests a generally positive, albeit modest, start for European markets:

London’s FTSE is looking set to open unchanged at 8,764, Germany’s DAX is projected to rise 0.2% to 23,699, France’s CAC 40 is expected to open flat at 7,625, and Italy’s FTSE MIB is anticipated to be up 0.3% at 39,673.

In early trading, the FTSE 100 has indeed opened higher, up by around 0.2%, keeping pace with the rise for Europe’s Stoxx 600. The mid-cap FTSE 250 is also up by 0.1%.

Currency and diplomatic focus: pound chops, NATO concludes

In currency markets, the British pound has experienced some choppy trading in the past hour, initially jumping to a day’s high against the US dollar before paring some of that advance.

It remains up for the session, trading above the $1.36 mark.

Meanwhile, diplomatic attention is on the Netherlands, where the NATO summit concludes on Wednesday.

The alliance’s 32 member states are expected to issue a formal joint statement regarding an increase in their defense spending target, reportedly from 2% to 5% of GDP by the year 2035.

US President Donald Trump joined the summit on Tuesday evening.

CNBC’s Steve Sedgwick is in The Hague for the gathering and is scheduled to speak with Finnish President Alexander Stubb and German Foreign Minister Johann Wadephul today, which could provide further insights into the alliance’s strategic direction.

On the economic data front, investors will be watching for the release of French consumer confidence figures and Spanish gross domestic product (GDP) data, which will offer more clues about the economic health of the eurozone.

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Shares of Multi Commodity Exchange of India Ltd. (MCX) soared more than 6% on Wednesday to touch a record high of ₹8,731 per share after global brokerage UBS reiterated its bullish stance and raised its price target to ₹10,000 — the most optimistic among brokerages tracked by Bloomberg.

The revised target implies a 15% upside from current levels.

UBS analysts said the market has yet to fully price in the growth potential from MCX’s expanding product portfolio and robust trading volumes.

“We expect key commodities’ average daily value (ADV) to remain strong amid volatility caused by geopolitical uncertainties,” UBS said in a note dated June 24.

New products seen as key growth drivers for MCX

MCX’s trading activity has seen a significant uptick since April.

Futures ADV has climbed about 50% quarter-on-quarter, while option premiums’ ADV has grown by 30%, according to UBS.

The exchange recently received regulatory approval from SEBI to launch electricity derivatives — a product that UBS believes could contribute 3–12% to revenue.

Other products in the pipeline include monthly bullion contracts and index options, which are expected to add further momentum in the near to medium term.

“On new silver options, we expect good traction given the preference for near-to-expiry contracts,” UBS noted.

The brokerage also upgraded its earnings estimates for FY27–FY28 by 13–17% and now expects a 26% compound annual growth rate (CAGR) in earnings for FY26–FY28, driven by operating leverage.

MCX seen holding ground despite NSE competition

UBS addressed investor concerns about market share loss to the National Stock Exchange (NSE), which has launched similar commodity products.

However, it noted that trading volumes on NSE’s commodity derivatives have remained tepid, while MCX’s new technology platform has seen consistent growth in both futures and options.

“We are now less concerned about market share losses as liquidity drives volumes on an exchange,” the analysts wrote.

“Structurally, we believe MCX is well-positioned to deliver secular growth as awareness of hedging commodities increases in the domestic market, specifically for electricity derivatives,” UBS said.

Stock outperformance continues

Wednesday’s gains marked the sharpest intraday rally for MCX since June 9.

Year to date, the stock has jumped nearly 39%, vastly outperforming the Nifty 50 index, which is up just 6.5% in the same period.

ICICI Securities also remains positive on the stock, maintaining an ‘add’ rating and raising its target price to ₹8,800.

The brokerage cited the ongoing surge in trading volumes since the start of FY26 and continued geopolitical tensions driving commodity price swings.

MCX’s market capitalization now stands at ₹43,807.60 crore.

With supportive fundamentals, new product approvals, and strong volume trends, analysts expect MCX to maintain its leadership in India’s commodity trading landscape, even as volatility remains a near-term tailwind.

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Siemens Energy share price has had a remarkable turnaround in the past two years. ENR jumped to a high of €92.12 on Wednesday, up by over 1,350% from its lowest point in 2024, giving it a market capitalization of over €73 billion, making it the 6th biggest German company after SAP, Siemens, Deutsche Telekom, Allianz, and Rheinmetall. 

From near-death experience to a turnaround

Siemens Energy has had a strong turnaround, two years after its challenges led to many analysts to predict an eventual turnaround. The crisis stemmed from problems in its wind turbine business, known as Siemens Gamesa.

It then escalated after S&P Global slashed its credit rating to BBB-, just a notch above junk status. S&P cited its challenges at Gamesa, which went through soft demand amid high interest rates and quality issues. It also cited its high debt load. 

Siemens Energy share price has jumped after the government intervened and gave it a backstop with guarantees worth about €7.5 billion or $8.1 billion. The guarantee helped the company access capital from other lenders, while Siemens AG also intervened. 

Siemens Energy share price has also done well as the management made actions to boost efficiency. For example, it recently launched an initial public offering of its business in India. 

The company also recently replaced the €11 billion guarantee backed by the German government with a new €9 billion facility. This new facility will last for five years and is from a consortium of 23 banks. 

Siemens Energy share price has also jumped after the company achieved an investment-grade rating from Moody’s, one of the biggest credit rating companies globally. Moody’s cited its improving balance sheet and growing backlog. An investment-grade rating helps it to lower capital costs. 

Strong financials and backlog

Siemens Energy stock price has jumped as the company’s financials showed that its business was doing well. Results revealed that its orderbook increased by 52% during the quarter to €14.43 billion. This growth was mostly because of its gas services and grid technologies business. 

Siemens Energy’s revenue rose by 20% in the second quarter to €9.96 billion, while its profit soared by 22.7% to €615 million. Most notably, the company’s backlog surged to over €133 billion.

Most of Siemens Energy’s backlog is in its gas services business, which had over €52 billion. Its grid technologies has a backlog of over €38 billion, while the transformation segment had over €8 billion.

Siemens Gamesa remains under pressure as its losses remain and its demand in the offshore and onshore business has slowed. Its orders dropped by 1%, while its loss jumped by 41% to over €510 million. 

Siemens Energy share price analysis

The daily chart shows that the Siemens Energy stock price has been in a strong rally this year, moving to a record high of nearly €92 from the 2023 low of €6.55. 

It has moved above the bullish pennant pattern. A bullish pennant is comprised of a vertical line and a symmetrical triangle pattern. It often leads to more gains over time. 

Siemens Energy stock price has remained above the 50-day and 100-day Exponential Moving Averages. Therefore, the most likely scenario is where it rises to the psychological point at €100. It will then pull back as investors book profits. 

Read more: Siemens Energy stock move from worst to best in Germany

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