Warren Buffett Issues Cautionary Warning to Investors

• Warren Buffett has issued a warning to investors as the S&P 500 reaches new highs.
• Buffett, who is now retired, was a net seller of stocks for over a dozen quarters while leading Berkshire Hathaway.
• Buffett's warnings have included accumulating a large cash reserve.
• Buffett no longer holds the position of CEO at Berkshire Hathaway.
• The warnings from Buffett have been noted by multiple financial outlets.