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

Apple (NASDAQ:AAPL) gets an upgrade from Jefferies, with a price target of $600. Cooper Tire (NYSE:CTB) falls on news that its acquisition by rival Apollo Tyres may be up in the air. Liquidity Services (NASDAQ:LQDT) is down big today as the online marketplace for surplus goods gets a downgrade from Bank of America. And sandwich shop Potbelly (NASDAQ:PBPB) continues its incredible run since its IPO on Friday. In this segment, Jason and Bill discuss four stocks making big moves.