JC Penney slashes profit outlook, sending shares to an all-time low By: CNBC.com News October 27, 2017 at 08:02 AM EDT J.C. Penney cut its 2017 earnings forecast, saying the department store chain has been discounting heavily. Read More >> Related Stocks: J C Penney Company Inc Kohl's Corp Lululemon Athletica Macy's Nordstrom