J.C. Penney Co. Inc. /zigman2/quotes/204684963/lastsale JCP -4.00% stock fell 3.3% in Thursday premarket trading after the struggling retailer said comparable store sales for the nine weeks ending Jan. 4, 2020 fell 7.5%. Adjusted to take into account the department store chain's exit from the appliance and in-store furniture categories, comparable store sales fell 5.3%. Still, J.C. Penney maintained its fiscal 2019 guidance for a comparable store sales decline in the range of 7% to 8%. Adjusted for the aforementioned category exits, the company expects comparable store sales to fall 5% to 6%. Kohl's Corp. /zigman2/quotes/210414114/lastsale KSS -2.28% and Macy's Inc. /zigman2/quotes/201854387/lastsale M -6.90% also announced holiday season comparable store sales declines, though not as steep. J.C. Penney stock is down 10.5% over the past year while the S&P 500 index /zigman2/quotes/210599714/realtime SPX -3.37% is up nearly 26% for the period.