Midday movers: Caterpillar, EMC, Xoom & More By: CNBC.com News July 23, 2014 at 13:12 PM EDT Take a look at some of Wednesday's midday movers: Read More >> Related Stocks: Caterpillar EMC Corp Genl Dynamics Gsk Plc ADR Hawaiian Hlds Inc Norfolk Southern Northrop Grumman Time Warner Twenty-First Century Fox Via Renewables Inc Cl A Viacom Yum Brands