By Commodity News Service Canada Winnipeg, August 4 – The Canadian dollar was weaker against the US dollar on Tuesday, as global economic problems continued to overhang the market, analysts said. At 11:40 CDT Tuesday, the Canadian dollar was trading at US$0.7621 or US$1=C$1.3122, which compares with Friday’s North American close of US$0.7645 or US$1=C$1.3080. […] Read more