Warren Buffett is preparing for a potential stock market decline, signaling alarm bells with his investment strategy and large cash position. Is a 40% drop coming?

Warren Buffett's simple investment strategy has propelled Berkshire Hathaway to market-beating returns since 1965. Buffett has invested in over 100 different companies, including giants like Apple, Coca-Cola,

Perhaps that’s one reason stocks are selling off globally this morning. While most indexes in Asia and Europe remain near their all-time highs, there is broad-based but mild selling in all of them.