TORONTO _ The Canadian dollar was up about one-third of a cent before the beginning of trading at the Toronto Stock Exchange.
The loonie traded at 82.95 cents US, up 0.31 of a U.S. cent from Monday's close.
The Dow Jones industrial futures were down 59 points at 17,931.0, the Nasdaq futures gell 4.50 points to 4,520.3, and the S&P 500 futures declined 7.1 points to 2,097.6.
On the commodity markets, the June crude contract was down 12 cents at US$56.87 a barrel and the June gold contract fell 30 cents to US$1,202.90 an ounce ahead of the TSX open.
The S&P/TSX composite index closed Monday at 15,344.08, after falling 64.25 points.