Microsoft Corporation stock traded up by 9.93 percent amid strong investor optimism around its expanding AI initiatives. A major securities fraud class action targets Microsoft’s AI Copilot claims after a roughly 10% MSFT drop on disappointing Q2 2026 earnings and slower Azure growth. Multiple complaints say management overstated Copilot’s adoption, user experience, and competitiveness, tying MSFT’s rally above $550 to representations now under legal challenge. Azure revenue has topped $100B annually and Microsoft Cloud jumped 27% year-over-year to $59.3B. Microsoft 365 Copilot has surpassed 30M paid seats. On Thursday, July 30, 2026, Microsoft Corporation stock [NASDAQ: MSFT] is trending up by 9.93%. The daily chart from 2026/07/06 to 2026/07/29 shows the stock swinging between the high-$370s and low-$400s, with recent closes around $390, a pullback from prior levels above $550. Microsoft printed quarterly revenue of $90.0B and net income of $35.77B, with a 39% profit margin and 68.3% gross margin. Return on equity near 34% and total debt-to-equity around 0.14. Valuation includes a P/E around 24 and price-to-sales near 9.5. Complaints say Microsoft misled the market between 2025/05/01 and