owns a network of department stores in the U.S. Its stock has fallen 13% in the past five trading sessions. Second-quarter profit more than doubled to $60 million, or 25 cents a share, as revenue inched up 1.2%. The operating margin widened to 3.8% from 2.6%. J.C. Penney shares have tumbled 37% in the past year. They sell for a forward earnings multiple of 11, a book value multiple of 1 and a cash flow multiple of 3.5 -- 27%, 59% and 80% discounts to peer averages. Roughly 38% of analysts following J.C. Penney rate its stock "buy."