Warren Buffett's Favorite Market Gauge Just Hit Its Highest Level Since the 1999 Dot-Com Peak. History Says Investors Should Watch Valuations Closely.

Key Points Warren Buffett's favorite valuation measure is at an all-time high and keeps climbing. But this is a valuation metric, not a buy/sell signal. This measure suggests the current market is above average, but doesn't indicate an imminent correction. 10 stocks we like better than Vanguard S&P 500 ETF › Warren Buffett has spent decades telling everyday investors that their best bet is to put their money in the S&P 500 (SNPINDEX: ^GSPC) and simply give it time to grow. Don't spend hours and hours researching stocks with the hope of outperforming the market. Just buy the American economy and let long-term compounding growth do the rest. But one of Buffett's favorite valuation measures is flashing a warning right now. Missed AI’s "Act 1"?