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Buy or sell JC Penney?

Monday, 12 Aug 2013 | 7:44 PM ET

JC Penney board member and 18 percent shareholder Bill Ackman has been expressing his frustrations with the retailer, reports CNBC's Courtney Reagan; and Don Luskin, Trend Macro, and Jim Iuorio, TJM Institutional Services, share their opinions.