Stocks to Watch: RIMM, GSK, MU & More By: CNBC.com News March 30, 2012 at 07:45 AM EDT Take a look at some of Friday's morning movers: Read More >> Related Stocks: Aetna Apple Bhp Billiton Ltd ADR Cigna Corp Dunkin' Brands Group Enphase Energy Inc Gap Gsk Plc ADR Micron Technology UnitedHealth Group