The Canadian Dollar gained against the Greenback after trading at four month low, reached following a hawkish Janet Yellen's speech at Jackson Hole Symposium and disappointing commodity price numbers including decline in crude oil and gold prices, which gave additional boost to the U.S Dollar. The Loonie is having a rather light week with no major news scheduled until Friday, when economists predict new Gross Domestic Product data will show a 2.6% jump. The Greenback climbed by 0.11% to end at C$1.0970.