Stock indexes closed mixed on Wall Street at the end of a rare bumpy week. Broadcom surged after the semiconductor company beat Wall Street’s profit targets and gave a glowing forecast, highlighting its artificial intelligence products. On Friday: The S&P 500 fell 0.16 points, or less than 0.1%, to 6,051.09. The Dow Jones Industrial Average fell 86.06 points, or 0.2%, …
