Microsoft Surges Over $480 Billion in Market Value Amid AI Growth Debate

On July 30, Microsoft’s stock surged nearly 17% after reporting strong fiscal fourth-quarter results. Azure revenue surpassed the $100 billion mark for the first time, and overall cloud revenue rose by 27% year-over-year to $59.3 billion. Despite these impressive figures, other companies with similarly strong earnings saw mixed or negative stock reactions. Market analysts are debating whether this volatility reflects a speculative frenzy akin to the dotcom bubble of the late 1990s or if it signals genuine progress in AI-driven business models. Steve Sosnick from Interactive Brokers noted that current market swings appear disconnected from fundamentals and amplified by modern financial tools like leveraged ETFs and weekly options. The week also saw a forced unwind at Situational Awareness LP, an AI-focused hedge fund run by Leopold Aschenbrenner. The firm sold its entire public equities portfolio after significant losses in July led to margin calls from prime brokers including Goldman Sachs and JPMorgan Chase.

By Nick Lichtenberg Thu, July 30, 2026 at 11:40 PM GMT+3 8 min read · Yahoo Finance ·

Microsoft Surges Over $480 Billion in Market Value Amid AI Growth Debate

Tickers: $GS $JPM $META $MSFT

Topics: AI Azure cloud computing Microsoft stock market reaction

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