Reversals in the stock market are landing with record force this year

Knowing when to get in and out of stocks is hard, even in the best of times. This year it’s been an exercise in futility.

Already, traders have endured two sell-offs that while relatively shallow still rank among the fastest ever recorded from an all-time high, going by data from Sundial Capital Research. The first is long gone. The second just gave way to the biggest weekly rally since March.

Don’t bother trying to get out of the way, says Bruce McCain, chief investment strategist at KeyBank. This late in a bull market, stocks are liable to reprice with blinding