Too late to jump into a surging Dow? Here's what to do

With the Dow topping 22,000 and trading at lofty levels never seen before, Main Street investors might be wondering if it's too late to jump on the bull market bandwagon.

Specialist Mario Picone wears a "Dow 22,000" hat as he works at his post on the floor of the New York Stock Exchange, Wednesday, Aug. 2, 2017. A big gain from Apple Wednesday morning sent the Dow Jones industrial average above 22,000 for the first time. (AP Photo/Richard Drew)
RICHARD DREW, AP