Information technology is the largest of 11 sectors in the S&P 500, with a weighting of 33.9%. That's partly because the sector is home to the world's three most valuable companies: Nvidia, Microsoft, and Apple, which have a combined market capitalization of $11 trillion. They have each obliterated the return of the S&P 500 over the past decade: Investors who haven't owned those three tech titans have probably underperformed the broader market. However, they aren't the only high-flying stocks in the informa ...