SP 500 Edges Higher as Healthcare and Tech Lead Communication Services Slip Nvidia Posts Record Earnings Yet Shares Dip on Growth Concerns Home Depot Comparable Sales Catch Up to Lowes Potentially Boosting Investor Sentiment Golds Risk Premium Compressed Analyst Views Suggest Limited Breakout Potential for Now US Productivity Growth Slows in Q4 Unit Labor Costs Accelerate UK Prime Minister Starmer Pledges Social Media Action Following Meeting with Bereaved Parents Kevin Warsh Faces Internal Fed Debate Over Interest Rate Cuts Amid Rising Inflation and Yields