Healthcare Tech Lead SP 500 Higher as Broad Gains Offset Communication Services Weakness Nvidias Blockbuster Earnings Reveal 200 Billion Opportunity and Edge Computing Shift General Motors Unveils AllElectric Cadillac Vistiq with 300Mile Range JK Cements 13 Volume Growth Outpaces Industry Amid Cost Pressures London Stock Exchange Group Reports Income Growth Driven by Tradeweb Trump Seeks Independence in Next Fed Chair Amid History of Rate Cut Pressure Barclays Reports 18 Profit Rise Raises FullYear Income Guidance