Sales at U.S. retailers probably grew in January as an improving job market helped consumers overcome higher payroll taxes, economists said before a report this morning. The projected 0.1 percent rise would follow a 0.5 percent December increase, according to the median forecast in a Bloomberg survey of 80 economists. Other reports may show import prices and business inventories climbed. Retailers such as Gap Inc. and Target Corp. are getting a sales boost as job gains support disposable income, helping temper the effects of the tax increase last month. Higher property values and stock prices are also bolstering ... (full story)