The Closing Look
Stocks opened higher on Wednesday but turned lower before the Dow could reach 20,000. Economic data was light. Pending home sales slid -2.5%, missing estimates for a gain of +0.5%. In other news, GNC said it will close all 4,400 US stores today to overhaul its pricing system. Anthera Pharmaceuticals (ANTH) plunged -65% after the money-losing biotech…