Wall Street Journal | Currencies of Oil Producers Weaken Further Wall Street Journal The currencies of many oil-producing countries weakened on Tuesday, extending recent losses, as crude prices declined. Oil prices are trading at historically low levels. As a result, Canada, Colombia, Norway, Mexico and other nations are facing ... Canadian dollar sinks to 73.6 cents US as TSX hits 2-year low Canadian dollar takes 'decent dive' amid oil rout, heads toward 73¢ Dollar climbs versus oil-linked currencies, but mixed overall |