Buffett and Cuban certainly value investing in and owning businesses, but both agree this investment makes an even bigger difference.

Warren Buffett wrote to Berkshire Hathaway shareholders in 2014 that most investors shouldn't try to pick individual stocks to buy because they couldn't "predict their future earnings power." Instead, he recommended that the typical investor buy a "low-cost S&P 500 index fund."

This conservative yet effective approach has made Buffett one of history's most successful investors. This selection process focused on Berkshire Hathaway’s current portfolio holdings, analyzing each position based on fundamental strength,

Citi's lead beverages analyst Filippo Falorni views Berkshire Hathaway's investment as "a perfect example of value investing."

While nobody knows what the rest of the year has in store for the stock market, longtime investor Warren Buffett has some timeless advice for handling periods of uncertainty. In 2008, in the thick of the Great Recession, Warren Buffett wrote a piece for The New York Times to help ease Americans' concerns about the future of the stock market.

Warren Buffett amassed an unprecedented $325 billion in cash and cash equivalents, primarily in Treasury bills, via his firm Berkshire Hathaway. The amount was the largest that Buffett has ever held,