By MarketsFarm WINNIPEG, April 1 (MarketsFarm) – The Canadian dollar was slightly lower on Wednesday, as losses on the Toronto Stock Exchange countered small gains for crude oil. The dollar finished the day at US$0.7034 or US$1=C$1.4217, compared to Tuesday when it closed at US$0.7049 or US$1=C$1.4187. The TSX Composite Index dropped 502.38 points to