Some of the best-performing index funds are currently free to invest in, with many more charging minimal expense ratios.

Warren Buffett has served as the CEO of Berkshire Hathaway since 1965. He oversees a portfolio of 45 publicly traded stocks and securities worth $316 billion, plus a $277 billion cash pile and several ...

Buffett is a highly successful stock picker, but he says regular investors should buy index funds instead. His Berkshire Hathaway owns two ETFs that directly track the performance of the S&P 500 index ...