You've probably heard that letting cash "sit" in your portfolio is a mistake and that you should start investing every dollar as aggressively as possible. Yet billionaire investor Mark Cuban has ...

Should more of your portfolio be cash? From Mark Cuban to Warren Buffett, see why cash still matters amid volatility and surprises.

Mark Cuban has never been shy about calling out risk. But while he's quick to warn about bubbles and bad bets, he's also been clear about where he puts his own money when markets turn volatile. Across ...