Nvidia, Apple, Alphabet, Microsoft, and Amazon Now Make Up 30.8% of VOO and 49.2% of VUG. Here's a Better Low-Cost Vanguard ETF to Buy Now.

The article says leading U.S. technology companies have a significant influence on stock market indexes and that many are supporting higher valuations with expectations of a long runway for earnings growth. It provides no specific company figures, forecasts, or market reaction.