Glacier FarmMedia | MarketsFarm – The Canadian dollar was virtually unchanged on Friday to end a negative week for the currency. The loonie closed the day at US$0.7284 or US$1=C$1.3728, compared to US$0.7287 or US$1=C$1.36724 on Thursday. It ended the week down seven-tenths of a U.S. cent compared to June 13. The United States Dollar Index