S&P 500 Gains & Losses Today: Broadcom Stock, Chipmaker Shares Surge; Casino Stocks Fall
1. Broadcom shares surged 9.9% after partnering with OpenAI on AI systems. 2. Collaborating with OpenAI positions AVGO in the booming AI sector. 3. Improved U.S.-China relations benefit semiconductor stocks, including AVGO. 4. Philadelphia Semiconductor Index rose 4.9%, indicating a positive market trend. 5. Other chipmakers, like AMD, also engaging with OpenAI enhances competition.