S&P 500 Gains and Losses Today: Index Falls From Record Level; Tesla Stock Tumbles
1. Tesla shares fell 6.8%, the largest decline in the S&P 500. 2. Musk's new political party announcement fueled market concerns. 3. Analysts downgraded TSLA to 'market perform' citing tax credit changes. 4. Trump's possible 25% tariffs on imports exacerbate market instability. 5. Major equities indexes declined, reflecting broader market uncertainty.