Tuesday, Sept 30, 2025 Stocks fell at the market's opening today, reflecting the potential impact of a probable government shutdown on October 1, but gained significantly by the close. The S&P 500 gained 0.4%, led by rising stocks of pharmaceutical companies, such as Pfizer. The tech-heavy Nasdaq Composite rose 0.3%, driven by gains in Nvidia and Coreweave. Dow Jones Industrial Average closed 0.2% higher, with the Russell 2000 also slightly up by 0.05%. CoreWeave, backed by Nvidia, gained 11.7% toda ...