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

The U.S. Department of Justice blocks US Airways' (NYSE: LCC) merger with American Airlines. Bill Ackman resigns from the board at J.C. Penney (OTC:JCPN.Q). Orbitz Worldwide (NYSE: OWW) takes a hit after one of its largest shareholders sells a big stake. Avanir Pharmaceuticals (NASDAQ: AVNR) partners up with Merck (NYSE:MRK). In this segment, Jason and Charly discuss four stocks making moves on Tuesday.