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' (UNKNOWN:LCC.DL) merger with American Airlines. Bill Ackman resigns from the board at J.C. Penney (NYSE:JCP). Orbitz Worldwide (UNKNOWN:OWW.DL) takes a hit after one of its largest shareholders sells a big stake. Avanir Pharmaceuticals (UNKNOWN:AVNR.DL) partners up with Merck (NYSE:MRK). In this segment, Jason and Charly discuss four stocks making moves on Tuesday.