North American stock markets moved further into record territory in the aftermath of the signing of a trade deal between the world’s two largest economies.

The S&P/TSX composite index was up 62.27 points at 17,415.17 after trading as high as 17,421.67.

In New York, markets set intraday highs before giving up much of the gains. The Dow Jones industrial average was up 90.55 points at 29,030.22. The S&P 500 index was up 6.14 points at 3,289.29, while the Nasdaq composite was up 7.37 points at 9,258.70.

The Canadian dollar traded for US76.63¢ compared with an average of US76.56¢ on Tuesday.

The February crude contract was down US42¢ at US$57.81 per barrel and the February natural gas contract was down US6.7¢ at US$2.12 per mmBTU.

The February gold contract was up US$9.40 at US$1,554.00 an ounce and the March copper contract was down 0.75 of a cent at US$2.87 a pound.