S&P 500 Gains and Losses Today: Amazon Stock Surges as Cloud Business Boosts Earnings; DexCom Drops
1. Amazon's stock surged nearly 10% after strong Q3 earnings. 2. Growth in AWS drove positive results amid increased AI infrastructure demand. 3. U.S. market indices finished higher due to favorable Fed decisions. 4. DexCom shares fell sharply due to cautious 2026 revenue forecasts. 5. First Solar and Coinbase also reported strong quarterly performances.