North American markets shrugged of warnings of possible terrorist action on the eve of the anniversary of the September 11 attacks Tuesday. The S&P/TSX composite index gained 22.00 points to 6,544.22 propelled by gains in technology stocks.

Information technology stocks rose 2.4%, while energy shares gained 1.4%.

ATI Technologies advanced 68¢ to $9.48 a share. Nortel Networks gained 2¢ to $1.73, while Celestica rose $1.34 to $36.62.

Gold issues closed down 3%, despite their safe-haven status. Barrick Gold shed 62¢ to $25.98, while Placer Dome declined 76¢ to $15.94.

Toronto volume was a light 153 million shares worth $1.9 billion. Advancers and decliners were split at 526 apiece with another 218 issues unchanged.

The flight from gold stocks also hit the TSX Venture composite index. The junior exchange slipped 10.24 points to 992.38

Trading on the TSX and the TSX Venture Exchange will open at the regular time of 9:30 ET tomorrow.

In New York, U.S markets shook off earlier losses, which came after the U.S. government raised its its official terrorist alert level to orange, signifying high risk of attacks.

The Dow Jones industrial average rose 83.23 points to 8,602.61. The Nasdaq composite index added 15.50 points to 1,320.10 and the S&P 500 index was up 6.60 at 909.55.

On Wednesday, the New York Stock Exchange and Nasdaq Stock Market will delay their opening until at least 11 a.m. EDT in observance of the anniversary of the last year’s terrorist attacks. If planned memorial services run longer, trading will be further delayed.

The Canadian dollar slipped 0.37¢ to US63.58¢.