S&P 500 Gains and Losses Today: Index Falls Following Tariff Announcements

1. S&P 500 fell 0.8% due to tariffs from Trump affecting trade relations. 2. Moderna's stock dropped 7.3% following a downgrade from Goldman Sachs. 3. IDEXX Laboratories surged 11.1% after exceeding quarterly sales expectations. 4. Tesla shares fell 5.2% due to trade policy concerns impacting global sales. 5. Franklin Resources' stock dropped 6.9% despite strong fiscal quarter profits.