When it comes to investing one of the hardest things to do is to buy stocks at the right price. Sometimes there are periods like the mid 1970s when equities were massively undervalued. Other times like in 1999 and 2000, the opposite was true. In the latter period it was years before investors who bought overvalued stocks got their money back, if ever.
What about now? Probably overvalued, if you believe Sam Stovall, U.S. equity strategist at S&P Global Market Intelligence. That conclusion isn't based on a gut feel but rather the result of deep analysis of historical data.
He explains his thoughts in this video.