The following video is from Tuesday's Investor Beat, in which host Alison Southwick and Motley Fool analysts David Hanson and Mike Olsen dissect the hardest-hitting investing stories of the day.

Merck (MRK -0.05%) cuts 8,500 jobs. Zillow (ZG 4.02%) keeps killing it. J.C. Penney (JCPN.Q) sees a dead cat bounce. And Walker & Dunlop (WD 1.77%) takes yet another hit. In this segment from Investor Beat, David and Mike discuss four stocks making moves on Tuesday.