Warren Buffett's cash hoard will pay off handsomely, and Michael Burry's AI critique is right on the money, Paul Dietrich says . "Buffett is right to still be keeping a lot of cash," Wedbush's chief investment strategist told Business Insider by email. "Given all the economic turmoil, the market is still very overvalued ." The S&P 500 closed at an all-time high of about 7,023 points on Wednesday, fueled by a sharp rebound in tech stocks. In his final quarter as Berkshire Hathaway CEO, Buffett