P.M. Edition for Feb. 1. Day traders who spurred a frenzy in the shares of GameStop and AMC last week are setting their sights on the global silver market. The commodity had its biggest one-day advance in more than a decade Monday. Markets reporter Amrith Ramkumar joins host Annmarie Fertoli to discuss the potential risks of trading in the notoriously volatile commodity. Learn more about your ad choices. Visit megaphone.fm/adchoices