Glacier FarmMedia MarketsFarm – The Canadian dollar took a step back on Friday morning. The loonie was at US$0.7124 or US$1=C$1.4037 as of 8:33 a.m. CST, compared to US$0.7138 or US$1=C$1.4010. The United States Dollar Index was up 0.04 of a point at 106.09. U.S. markets were closed on Thursday due to the Thanksgiving Day