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

Shares of J.C. Penney (JCPN.Q) rise on resignation rumors. Shares of Dick's Sporting Goods (DKS -1.14%) bounce back. And shares of Zynga (ZNGA) and Diamond Foods (DMND.DL) slide. In this installment of Investor Beat, our analysts discuss four stocks making moves.

The relevant video segment can be found between 2:29 and 4:37.