TORONTO – The company that owns the Bay, Lord & Taylor and Saks Fifth Avenue says sales across most of its retail business have fallen below expectations and it's revising estimates for the 2016 financial year. Hudson's Bay Co. (TSX:HBC) says sales at stores that have been open for at least a year in its third quarter fell by 3.6 per cent, after adjusting for currency fluctuation, and by four per cent when including the impact of foreign exchange. …