S&P 500 Gains and Losses Today: Tesla and Ford Fall; AMD Extends OpenAI-Fueled Rally
1. AMD shares rose 3.8% after a partnership with OpenAI. 2. AMD's gains contrast with other semiconductor stocks which fell. 3. The broader market declined but AMD was a standout performer. 4. Analysts speculate on the impact of AI partnerships boosting AMD. 5. Tesla's stock decline highlights the volatility in tech stocks.