SP 500 Edges Higher as Healthcare and Tech Lead Communication Services Lags Eli Lillys 4 Billion Vaccine Push Signals Strategic Expansion in Infectious Disease Moroccos Tourism Push in Western Sahara Economic Ambitions or Political Control Endurance Technologies IPO Opens Key Details and Market Implications Wingstop Shares Slide 12 After Quarterly Profit Misses Analyst Estimates Barclays Posts 18 Profit Increase Raises Annual Income Outlook Harvard Universitys Crypto Sales Q1 Portfolio Rebalancing Sparks Market Questions