Biden’s running-mate search is getting ‘outsized attention’ and could even shake the stock market — here’s how

As Joe Biden’s campaign wraps up its work on rolling out a running mate, the effort has been drawing heightened interest for several reasons — some of them arising from 2020’s unprecedented tumult.

The recent nationwide protests over police killings of Black Americans have sparked calls for the presumptive Democratic presidential nominee to select a Black running mate. Biden on July 20 said that four Black women are in fact on his shortlist for vice president.

At the same time, social-distancing measures due to the coronavirus pandemic have prevented Biden...