S&P 500 Gains and Losses Today: Warner Bros. and Paramount Extend Gains; Moderna Plunges
1. Moderna shares fell 7.4% after health officials' controversial report. 2. Trump administration links child deaths to COVID-19 vaccinations. 3. Vaccine makers face increased scrutiny and pressure from public perception. 4. Warner Bros. and Paramount stocks rose amid potential buyout news. 5. Market remains cautious ahead of the Federal Reserve's interest rate decision.