Down 79%, Is Moderna Stock a Bad-News Buy on the Dip?

Moderna (MRNA 0.90%) shareholders have been having a rough time lately. The biotech stock rocketed higher last spring, but the gains didn't last long.Since reaching a peak last May, Moderna stock has tumbled by about 79%, and investors are starting to wonder if it could be a bargain now.Here's a look at what's been pressuring the formerly high-flying biotech stock to see if it can bounce back from the severe beating it's received over the past several months.Why Moderna Stock is getting hammeredOn Jan. 13, ...