Should You Buy the Vanguard S&P 500 ETF With the Stock Market at An All-Time High? History Offers a Clear Answer.
The Motley Fool·2025-12-16 09:16The stock market might be set for another positive year in 2026 thanks to megatrends like artificial intelligence (AI).The S&P 500 (^GSPC 0.16%) index is made up of 500 companies from 11 different sectors of the economy. It's weighted by market capitalization, so its largest constituents -- which include artificial intelligence (AI) powerhouses like Nvidia and Alphabet -- have a much greater influence over its performance than the smallest.The S&P 500 set a new record high last Thursday on the back of a 16% ...