Warren Buffett's classic advice to 99% of investors is still paying off

Fuente: Business Insider

Warren Buffett has recommended the same investing approach for decades. Andrew Harrer/Bloomberg via Getty ImagesWarren Buffett famously says that virtually all investors should own a low-cost S&P 500 index fund. The business icon's advice continues to pay off with the S&P 500 hitting a new high on Tuesday.