S&P further lowers rating on J.C. Penney

New York -- Standard & Poor's Ratings Services is further lowering its credit rating on J.C. Penney Co., attributing the move to a continuing weak performance.

J.C. Penney’s corporate credit rating has been lowered to "B+" from "BB-." The junk rating is four notches below investment grade. The move marks the second downgrade from S&P since mid-May.