US Stocks Mixed as Nasdaq Faces Selling Pressure, Dow and S&P Rise

US stock indexes mixed, with Dow and S&P rising, while Nasdaq falls. Weakness in AI-infrastructure stocks and semiconductor makers, led by CoreWeave and Nvidia. ADP report shows private employers shed 11,250 jobs on average for the four weeks ending October 25. US Oct NFIB small business optimism index fell to a 6-month low of 98.2. Government shutdown nearing end, with Senate voting to pass a temporary continuing resolution.