Your fund manager needs you. Equity mutual funds are the most fully invested in the stock market that they’ve ever been … ever. The record low levels of cash are a signal that a bear market may be ahead, according to strategist Alan Newman, editor of the "Crosscurrents" investment newsletter.

Right now, mutual funds have, on average, just 3.4 percent cash to assets, the lowest ratio ever recorded by the Investment Company Institute. Newman used troughs in this ratio to successfully predict market tops in July 2007, March 2000. He also back-tested the method successfully on a swoon that began in 1972.