By MarketsFarm WINNIPEG, May 14 (MarketsFarm) – The Canadian dollar fell under 71 U.S. cents Thursday following a grim Statistics Canada report on manufacturing sales. As of 8:57 CDT, the Canadian dollar was at US$0.7074 or C$1.4135, compared to Wednesday’s close of US$0.7106 or C$1.4073. Manufacturing sales in Canada plunged 9.2 per cent in March,