The following video is from Tuesday's Investor Beat, in which host Chris Hill and Motley Fool analysts Jason Moser and Isaac Pino dissect the hardest-hitting investing stories of the day.

U.S. Steel (NYSE:X) reports a loss in the second quarter. National Oilwell Varco's (NYSE:NOV) profits fall 12%. Potash Corp. (NYSE:POT) gets hammered after a Russian component of one of the world's largest cartels pulls out of the cartel. And Barnes & Noble (NYSE:BKS) has to restate some financial statements. In this segment from Investor Beat, Jason and Isaac discuss four stocks making moves on Tuesday.