By Will Horner and Paul Vigna

Major indexes are down about 1% even as hot stocks go through the roof.

In addition to concerns about the coronavirus, some traders are citing worries that professional investors might be forced to sell bigger companies to cover losses suffered betting against names like GameStop and AMC.

This item is part of a Wall Street Journal live coverage event. The full stream can be found by searching P/WSJL (WSJ Live Coverage).

(END) Dow Jones Newswires

01-27-21 1348ET