Compiled by Glen Hallick, MarketsFarm WINNIPEG, Oct. 4 (MarketsFarm) – The Canadian dollar was slightly higher on Tuesday morning, aided by a weaker United States dollar and rising crude oil prices. As of 8:34 am CDT, the Canadian dollar was at US$0.7334 or C$1.3636, compared to Monday’s close of US$0.7320 or C$1.3662. On the U.S.