Wall Street Is Flashing a Warning Signal Investors Shouldn't Ignore

For decades, investors have been urged to buy into broad, diversified market index funds like the State Street SPDR S&P 500 ETF Trust (NYSEMKT: SPY). That way, your money is spread across a wide variety of companies, industries, and risk exposures. But if you look closely, those benefits aren't nearly as strong as they used to be. In fact, a recent report from Royal Bank of Canada should have every investor concerned about the safety of their own money. Markets are nearing record levels of concentration ...