Canada's main stock index closed down along with the loonie as the energy and consumer staples sectors lost ground, while U.S. markets were mixed.
The S&P/TSX composite index closed down 41.84 points at 16,477.40.
In New York, the Dow Jones industrial average closed up 79.40 points at 25,199.29. The S&P 500 index was up 6.07 points at 2,815.62 and the Nasdaq composite index ended down 0.68 of a point at 7,854.44.
The Canadian dollar averaged 75.73 cents US, down 0.10 of a US cent.
The September crude contract closed up 59 cents at US$67.75 per barrel and the August natural gas contract was down two cents at US$2.72 per mmBTU.
The August gold contract closed up 60 cents at US$1,227.90 an ounce and the September copper contract was up a penny at US$2.76 a pound.