U.S. equities closed mixed on Monday, June 8, 2026, with the S&P 500 rising 0.30% to 7,405.73, the Nasdaq Composite gaining 0.86% to 25,929.66, and the Dow slipping 0.16% to 50,786.01. The Philadelphia Semiconductor Index led sector gains, now up 61% this quarter versus the S&P 5