S&P 500 Gains & Losses Today: Chip Stocks Slide as SoftBank Sells Nvidia Stake; Paramount Skydance Pops
1. SoftBank sold its stake in Nvidia, dragging down semiconductor stocks. 2. Nvidia shares fell about 3% following SoftBank's announcement. 3. The sale raised concerns over the AI sector's stability. 4. Broader U.S. equities ended mixed amid ongoing government shutdown uncertainty. 5. Other stocks impacted include Vistra, which dropped 4.8% amidst AI concerns.