Key Points Stock valuations are getting overheated, according to the Warren Buffett indicator. The makeup of the economy is much different today than when the indicator was first introduced. The best thing investors can continue to do is use a dollar-cost-averaging strategy. 10 stocks we like better than Vanguard S&P 500 ETF › The market just passed another milestone that has a lot of people uneasy. The Warren Buffett indicator, which adds up the total market capitalization (market cap) of all pu ...