Warren Buffetts Tiny Purchase Hint in March May Be Revealed by Latest Berkshire Filing DOLE Q1 2026 Earnings EPS Misses Estimates Despite Strong Operational Execution Nvidias Earnings Surpass Estimates as AI Infrastructure Expansion Accelerates Quanterix QTRX Q1 2026 Earnings NarrowerThanExpected Loss Drives Stock Surge Bill Ackman Builds Microsoft Stake in First Quarter Betting on AI and Cloud Momentum