Tuesday's After-Hours Movers By: Benzinga via Benzinga January 06, 2015 at 17:10 PM EST J C Penney Company Inc (NYSE: JCP) +19% - Reported holiday comparable sales up 3.7 percent; expects Q4 same-store sales at upper end ... Read More >> Related Stocks: J C Penney Company Inc Medicines Company Micron Technology Shutterfly Inc Sonic Cp Trevena Inc