The S&P 500 continues to enjoy a solid run as the improving macro environment, coupled with the AI optimism and recent stock upgrades, provides solid support for risk assets.Last week, Goldman Sachs (NYSE:GS) increased its year-end forecast for the S&P 500 Index to 5,600, up from the previous target of 5,200.This revision by one of the most important financial institutions is attributed to robust earnings growth from five major U.S. technology companies and a higher projected fair value price-to-earnings ra ...