J.C. Penney (JCP)
Year-to-Date: Down 43 Percent
Despite the best efforts of Apple's former marketing whiz, Ron Johnson, who now heads J.C. Penney as its CEO, this retailer's stock fell from its high of $43 in February to the $20 level in mid-December. High hopes for a turnaround in the heavily competitive retail sector never materialized, and the stock has yet to regain its footing. Competitors such as Macy's, Nordstrom, and Saks, meanwhile, saw their shares post year-to-date gains.
(Read More: J.C. Penney Stock 'A Disaster': Kernkraut)