The Newest AI Stock in the S&P 500 Is Up 300% Since 2020 and It's Still a Buy Today, According to a Wall Street Analyst

  • The S&P 500 (^GSPC -0.07%) is one of three major U.S. stock market indexes, though it is widely seen as the best gauge for U.S. equities because of its breadth. The index includes over 80% of domestic stocks by market capitalization.