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

In today's edition, Apple (NASDAQ:AAPL) hits a 52-week low, despite a rally from Dow stocks today. Also, Groupon (NASDAQ:GRPN) pops after CEO Andrew Mason announces his resignation. These stories, plus three more of today's big market movers, and two stocks we'll be watching closely this week.