Stocks have been soaring in recent months, with indexes reaching new all-time highs. The tech industry, in particular, has experienced especially staggering returns. The Vanguard Information Technology ETF (VGT 0.64%) has surged by a whopping 46% since April, as of this writing on July 21, compared with the S&P 500's 27% returns in that time. However, this also makes it an incredibly expensive time to buy. This ETF's price has surged from $470 per share in April to around $686 per share currently. While soa ...

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 ...