Midday movers: Amgen, Groupon, Walt Disney & more By: CNBC.com News August 04, 2014 at 13:02 PM EDT Take a look at some of Monday's midday movers: Read More >> Related Stocks: Amgen Biocryst Pharma Inc Diamond Offshore Drilling Evercore Partners Inc Express Scripts Holding Groupon Cl A Gsk Plc ADR Loews Corp Michael Kors Holdings Noble Corp Perpetual Resources Ltd Steel Dynamics Inc Transocean Ltd Trex Company United States Steel Corp Walgreen Company Walt Disney