TORONTO -- Canada's main stock index hit another intraday high in late-morning trading as the energy sector surged following a weekend attack on an oil facility in Saudi Arabia.

The S&P/TSX composite index was up 68.69 points at 16,751.11. The index hit a high of 16,767.19 in earlier trading, topping its previous high water mark of 16,756.11 set on Friday.

In New York, the Dow Jones industrial average was down 107.10 points at 27,112.42. The S&P 500 index was down 7.81 points at 2,999.58, while the Nasdaq composite was down 19.86 points at 8,156.85.

The Canadian dollar traded for 75.49 cents US compared with an average of 75.43 cents US on Friday.

The October crude contract was up US$6.38 at US$61.23 per barrel and the October natural gas contract was up 5.7 cents at US$2.67 per mmBTU.

The December gold contract was up US$13.20 at US$1,512.70 an ounce and the December copper contract was down 4.20 cents at US$2.66 a pound.