SP 500 and Nasdaq Reach Record Closes as AI Optimism Lifts Markets Micron Joins TrillionDollar Club SP 500 Inches Higher as Healthcare and Tech Lead Broad Gains ECB Signals No Urgency to Counter Market Speculation on June Rate Hike SP 500 Notches Modest Gains as Healthcare and Technology Outperform Uber Stock Options Strategy Could Yield 44 Return in Rangebound Trading Berkshire Hathaway Makes Major Portfolio Shift New Stakes in Delta Air Lines and Alphabet SP 500 Earnings and Revenue Growth Accelerates Says Oppenheimer