Canada’s main stock index was dragged down along with U.S. markets by Chinese doubts about whether a long-term trade deal can be reached with the United States.

The S&P/TSX composite index closed down 18.27 points at 16,483.16.

In New York, the Dow Jones industrial average was down 140.46 points at 27,046.23. The S&P 500 index was down 9.21 points at 3,037.56, while the Nasdaq composite was down 11.62 points at 8,292.36.

The Canadian dollar traded for US75.99¢ compared with an average of US76.03¢ on Wednesday.

The December crude contract was down 88 cents at US$54.18 per barrel and the December natural gas contract was down 5.8 cents at US$2.63 per mmBTU.

The December gold contract was up US$18.10 at US$1,514.80 an ounce and the December copper contract was down 4.8 cents at US$2.64 a pound.