SP 500 Edges Higher as Healthcare and Tech Rally Outweigh Communication Services Dip Amazons Dominance in Western ECommerce Why Rivals Have Failed to Close the Gap MegaIPOs SpaceX and OpenAI Record Listings Could Signal Market Peak Analysts Suggest Chinas Strategic Oil Reserve Releases May Be Capping Crude Price Rally 12 Information Technology Stocks Moving In Tuesdays AfterMarket Session SpaceX IPO Speculation Nvidia Earnings and Bezos AI Remarks Lead Morning Market Brief Kevin Warsh Sworn In as Federal Reserve Chair Amidst Presidential Pressure for Rate Cuts Market Expectations Suggest Prolonged Hold