UKRAINE – 2022/01/07: In this photo illustration a Microsoft Azure logo seen displayed on a smartphone. (Photo Illustration by Igor Golovniov/SOPA Images/LightRocket via Getty Images)
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LONDON — Microsoft on Tuesday was accused of unfairly overcharging customers of rival cloud companies in a lawsuit claiming damages of more than £1 billion ($1.27 billion).
The lawsuit alleges customers using Amazon Web Services (AWS), Google Cloud Platform or Alibaba Cloud — all key competitors to Microsoft’s Azure cloud — are forced to pay more to license the tech giant’s cloud-based Windows Server software on rivals’ infrastructure.
Microsoft offers a cheaper price to firms running Windows Server on Azure than on direct competitors like AWS, Google’s cloud or Alibaba Cloud. The lawsuit argues firms running the widely-used server software are essentially being overcharged to use alternative cloud computing solutions.
It adds Microsoft leverages its dominant market position in cloud-based server operating systems by extracting higher prices and inducing customers into moving to Azure. Claimant Maria Luisa Stasi, a competition lawyer, is seeking more than £1 billion in compensation for firms affected.
Microsoft was not immediately available for comment when contacted by CNBC.
“Put simply, Microsoft is punishing UK businesses and organisations for using Google, Amazon and Alibaba for cloud computing by forcing them to pay more money for Windows Server,” Stasi, who is head of law and policy for digital rights advocacy group Article19, said in a statement shared with CNBC.
“By doing so, Microsoft is trying to force customers into using its cloud computing service Azure and restricting competition in the sector.”
She added the lawsuit “aims to challenge Microsoft’s anti-competitive behavior, push them to reveal exactly how much businesses in the UK have been illegally penalized, and return the money to organizations that have been unfairly overcharged.”
Thousands of British businesses and organizations are represented in the lawsuit, which is an “opt-out” collective action. That means that any company potentially affected is automatically counted and can receive a payout if Microsoft loses.
Stasi represents the customers of Amazon, Google and Alibaba but doesn’t represent any of these firms, her spokesperson told CNBC.
The CMA declined to comment on the specific timing of its provisional decision. However, it’s previously set a deadline of November to December 2024.
Earlier this year, Microsoft struck a 20 million euro ($21 million) settlement with cloud trade body CISPE and its members ending an EU antitrust complaint accusing the tech giant of unfair software licensing practices at its cloud division.
The deal saw Microsoft agree to charge firms the same price for running its software on smaller cloud companies’ systems as it does on its own Azure platform.
But in September, Google filed a fresh antitrust complaint against Google with the European Commission, the executive body of the EU.
The suit alleged that Microsoft’s software licensing terms effectively lock businesses into its Azure platform and make it harder to switch — and thus exerting control over the cloud market.
Solange Viegas Dos Reis, chief legal officer of French cloud computing firm OVHCloud, told CNBC some cloud hyperscalers are essentially “selling together two products that should be totally separated” — widely-used software and cloud infrastructure.
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There’s also an issue of hyperscalers offering more functionality of their software when it’s running on their own cloud services than on third-party cloud services, Dos Reis said without singling out any particular vendor.
From 2017 to 2022, European cloud firms’ market share halved from 27% to 13%, lagging international rivals as the entire European cloud market grew fivefold to 10.4 billion euros ($11 billion), according to data from Synergy Research Group.
The issue of software licensing in cloud is one that’s not been assessed previously, Dos Reis told CNBC in an interview last week, adding OVH has “a lot of hope” with the CMA’s cloud competition case.
OVHCloud agreed its own settlement with Microsoft in July, which saw it drop its own EU antitrust complaint against the U.S. tech giant.
Alibaba‘s Hong Kong-listed shares surged on Wednesday to reach their highest point since 2021 after the company said it will invest more in artificial intelligence and rolled out new AI products and updates.
Shares of the company jumped over 6%, while its total gains year to date rose above 107%.
The tech giant plans to increase spending on AI models and infrastructure development, on top of the 380 billion yuan ($53 billion) over three years it announced in February, Chief Executive Officer Eddie Wu said Wednesday at Alibaba Cloud’s annual flagship technology conference.
“We are vigorously advancing a three-year, 380 billion [yuan] AI infrastructure initiative with plans to sustain and further increase our investment according to our strategic vision in anticipation of the [artificial superintelligence] era,” Wu said.
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Alibaba shares surge after CEO unveils plans to boost AI spending
So-called ‘artificial superintelligence’ refers to AI that would hypothetically surpass the power and intelligence of the human brain, with the hypothetical benchmark becoming a growing focus of major AI companies.
Alibaba also officially unveiled the latest version of its Qwen large language models — the Qwen3-Max — on Wednesday, along with a series of other updates to its suite of AI product offerings.
Wu highlighted that Alibaba Cloud is strategically positioned as a “full-stack AI service provider,” delivering the computing power required for training and deploying large AI models on the cloud through its own data centers.
“The cumulative investment in global AI in the next five years will exceed $4 trillion, and this is the largest investment in computing power and research and development in history,” he added.
Venezuelan Bolivar and U.S. Dollar banknotes and representations of cryptocurrency Tether are seen in this illustration taken Sept. 8, 2025.
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Tether, the issuer of the largest stablecoin, is planning to raise as much as $20 billion in a deal that could put the crypto company’s value on par with OpenAI, according to a report from Bloomberg News.
The crypto company is looking to raise between $15 billion and $20 billion in exchange for a roughly 3% stake through a private placement, the report said, citing two individuals familiar with the matter. The transaction would involve new equity rather than existing investors selling their stakes, the people told the news service.
The report said that one person close to the matter warned that the talks are in an early stage, which means that the eventual details, including the size of the offering, could change.
However, the deal could ultimately value Tether at around $500 billion, according to the report. That would mean the crypto giant’s valuation would rival some of the world’s biggest private companies, including SpaceX and OpenAI. OpenAI’s fundraising round earlier this year valued the tech company at $300 billion.
Tether, which was once accused of being a criminal’s “go-to cryptocurrency,” has been furthering its plans to return to the U.S. in recent months, given President Donald Trump’s pro-crypto stance. The company earlier this month named a CEO for its U.S. business and launched a new token for businesses and institutions in the U.S. called USAT, which will be regulated in the U.S. under the GENIUS Act.
Stablecoin USD Tether (USDT) is pegged to the U.S. dollar with a market cap that recently surpassed $172 billion. In second place is Tether rival Circle’s USDC stablecoin, which is worth about $74 billion.
A person walks by a sign for Micron Technology headquarters in San Jose, California, on June 25, 2025.
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Micron reported better-than-expected earnings and revenue on Tuesday as well as a robust forecast for the current quarter.
The stock rose in extended trading.
Here’s how the company did in comparison with the LSEG consensus:
Earnings per share: $3.03, adjusted, vs. $2.86 expected
Revenue: $11.32 billion vs. $11.22 billion expected
Micron said revenue in the current period, its fiscal first quarter, will be about $12.5 billion, versus the $11.94 billion average analyst estimate per LSEG.
The company said it had $3.2 billion, or $2.83 per share in net income, versus $887 million, or 79 cents in the year-ago period.
Micron shares have nearly doubled so far in 2025. The company makes memory and storage, which are important components for computers. Micron has been one of the winners of the artificial intelligence boom. That’s because high-end AI chips like those made by Nvidia require increasing amounts of high-tech memory called high-bandwidth memory, which Micron makes.
“As the only U.S.-based memory manufacturer, Micron is uniquely positioned to capitalize on the AI opportunity ahead,” Micron CEO Sanjay Mehrotra said in a statement.
Overall company revenue rose 46% on a year-over-year basis during the quarter.
Micron’s largest unit, which sells memory for cloud providers, reported $4.54 billion in sales during the quarter, more than tripling on a year-over-year basis.
However, the company’s core data center business unit saw sales decline 22% on an annual basis to $1.57 billion in revenue.