What Is The Best Index Fund To Invest In 2024. Warren buffett has regularly recommended an s&p 500 index fund as the best way for most investors to get stock market exposure. Although there's no single best index fund to invest in, a couple of good options are an s&p 500 index fund, which tracks about 80% of the u.s.

Warren buffett has regularly recommended an s&p 500 index fund as the best way for most investors to get stock market exposure. Although there’s no single best index fund to invest in, a couple of good options are an s&p 500 index fund, which tracks about 80% of the u.s.