S&P 500 Gains and Losses Today: Tesla and Ford Fall; AMD Extends OpenAI-Fueled Rally

Market Overview - Shares of Tesla (TSLA) dropped nearly 5% after the announcement of lower-priced versions of its Model 3 and Y vehicles, with prices starting at approximately $35,000 and $38,000 respectively, leading analysts to suggest the models were not as affordable as anticipated [4] - The major U.S. equities indexes finished lower, with the S&P 500 declining by 0.4%, the Nasdaq by 0.7%, and the Dow by 0.2% [1] Semiconductor Industry - Advanced Micro Devices (AMD) saw a significant increase in shares, climbing 3.8% after a 24% jump the previous day due to a partnership with OpenAI [2] - Other semiconductor stocks, including Lam Research (LRCX) and Applied Materials (AMAT), experienced declines, while Oracle (ORCL) shares fell following reports of potentially smaller-than-expected cloud-computing margins [3] Automotive Sector - Ford Motor (F) shares tumbled about 6% due to reports of a fire at an aluminum plant in Oswego, N.Y., which is expected to disrupt operations in the coming months [4] Adtech and Fintech - AppLovin (APP) surged 7.6%, marking the top daily performance on the S&P 500, as analysts maintained an "outperform" rating despite an ongoing SEC investigation into its data collection practices [5] - PayPal (PYPL) shares gained close to 5% after launching its Ads Manager service for small businesses, allowing them to opt in with no upfront costs [6]