After-Hours Buzz: GRPN, JCP, LTD & More By: CNBC.com News February 27, 2013 at 16:45 PM EST Check out which companies are making headlines after the bell Wednesday: Read More >> Related Stocks: Groupon Cl A J C Penney Company Inc Lam Research Mead Johnson Nutrition Mercadolibre Inc Monster Beverage Nabors Industries Nordstrom Vale ADR Representing One Ord Shs