Sears warns of 'going concern' doubts

(Reuters) - Sears Holdings Corp , once the largest U.S. retailer, warned on Tuesday about its ability to continue as a going concern after years of losses and declining sales. "Our historical operating results indicate substantial doubt exists related to the company's ability to continue as a going concern," Sears said in the annual report for the fiscal year ended Jan. 28. (http://bit.ly/2mRUcce) The company said an inability to generate additional liquidity might limit its