U.S. stocks sank as Wall Street kept punishing companies that could become losers in the AI revolution. A surprisingly discouraging update on inflation also hurt the market Friday, while oil prices climbed with worries about tensions between the United States and Iran. The S&P 500 fell 0.4% to finish just its second losing month in the last 10. The Dow Jones Industrial Average dropped 1.1%, and the Nasdaq composite fell 0.9%. Block’s stock soared after cutting nearly half its workforce because it said AI tools can replace them. Treasury yields fell in the bond market as investors sought safer places for their money.