Warren Buffett's $187 Billion Warning to Wall Street Echoes Louder Than Ever, Thanks to His Favorite Valuation Measure

This has shaped up to be another stellar year for the stock market, with the timeless Dow Jones Industrial Average (DJINDICES:^DJI), benchmark S&P 500 (SNPINDEX:^GSPC), and game-changing Nasdaq Composite (NASDAQINDEX:^IXIC) catapulting to new highs. But don't tell that to Berkshire Hathaway's (NYSE:BRKA)(NYSE:BRKB) newly retired CEO, Warren Buffett. Although the Oracle of Omaha has repeatedly told investors that he'd never bet against America and is a devout supporter of long-term investing, he was a net seller of equities for 13 consecutive quarters, totaling approximately $187 billion, leading up to his Dec. 31 retirement as CEO. Missed Nvidia in 2009? This Rare Signal Is Flashing Again.