3 Reasons Why the S&P 500 Rally Is Flashing Red

The U.S. equity market has delivered extraordinary 1,000% returns over the past 17 years. For many investors, the persistent advance in stocks has become so familiar that rising markets now appear almost inevitable. Yet, financial history has repeatedly shown that periods of extreme optimism often contain the seeds of their own destruction. The concern is not simply that valuations are elevated. It is that multiple warning signals are now appearing at the same time. Concentration risk, euphoric sentiment and historically stretched valuations have combined to create one of the most extreme market environments seen in more than a century.