Even the best market prognosticators do not for certain what will happen tomorrow.
When markets are as volatile as they have been of late, the knee-jerk reaction for many is to get out of the markets and sit in cash. A Bank of America study of market peaks since 1937 showed that pulling out of the market too soon meant foregoing 20% of a market’s rally.
Over time people who stay invested do better than those who tried to time the market.