The European Central Bank warned on November 26, 2025, that Big Tech companies represent 31.1% of the S&P 500's market capitalization while generating only 20.8% of index earnings, according to its Financial Stability Review. The bank identified this valuation gap as a financial stability risk, noting elevated asset prices and market concentration could trigger sharp corrections if AI adoption disappoints or economic growth weakens. ECB Vice President Luis de Guindos distinguished current conditions from the dot-com bubble, citing established revenues and business models, but acknowledged valuation concerns.

SoftBank has lost more than $100 billion in market capitalization since late October following its significant investment in OpenAI and the sale of its Nvidia holdings. The company's shares dropped approximately 40%, wiping out over ¥16 trillion in market value. SoftBank faces a $22.5 billion payment to OpenAI in December as part of its $32 billion commitment.

OpenAI has committed to $288 billion in cloud computing contracts with Microsoft and Amazon, securing 36 gigawatts of capacity, according to HSBC analysis. The firm projects the company will need to raise an additional $207 billion by 2030 to cover costs, even after accounting for projected revenues and existing financing options. Only one-third of the contracted capacity is expected to become operational by 2030, though payment obligations remain in effect regardless of deployment timelines.

Google is negotiating a multibillion-dollar agreement to provide Meta Platforms with tensor processing units for deployment in Meta's data centers by 2027, according to The Information. Alphabet shares rose 2.7% in extended trading while Nvidia declined 2.7% following the disclosure. Meta is considering spending billions to integrate TPUs into its operations, with potential cloud-based testing planned for next year.

More than 300 victims and families connected to the October 7, 2023 attacks in Israel filed a lawsuit Monday against Binance, founder Changpeng Zhao, and executive Guangying Chen. The complaint alleges the exchange knowingly processed over $1 billion in cryptocurrency for Hamas, Hezbollah, and other designated terrorist groups. The 284-page filing invokes the Justice Against Sponsors of Terrorism Act and claims transactions continued after Binance's 2023 guilty plea to money laundering violations.

Federal Reserve Governor Christopher Waller endorsed a rate cut at the December 9–10 policy meeting during a Fox Business Network interview on November 25, 2025. Waller cited weak labor market conditions as his primary justification under the Fed's dual mandate. He indicated the central bank may adopt a meeting-by-meeting approach starting in January, as key employment and inflation data will be released after the December decision.

Artificial intelligence infrastructure investment drove approximately 50% of inflation-adjusted GDP growth during the first six months of 2025. Microsoft, Amazon, Alphabet, and Meta are expected to spend $344 billion on capital expenditures in 2025, equivalent to 1.1% of GDP. Stock price appreciation in AI-related companies added an estimated $180 billion to consumer spending over the past year through wealth effects, according to JPMorgan Chase analysis.

China now accounts for approximately 14% of global Bitcoin mining capacity, ranking third worldwide behind the United States and Kazakhstan. This resurgence occurs despite the country's official 2021 prohibition on cryptocurrency mining and trading. Operations have concentrated in regions like Xinjiang and Sichuan where electricity costs remain below international benchmarks.

The European Central Bank identified stablecoins as a potential systemic risk in its financial stability assessment released on November 24, 2025. The bank warned that widespread adoption could destabilize bank funding if consumers shift deposits into digital assets. The ECB called for global regulatory alignment to prevent firms from exploiting jurisdictions with weaker oversight.