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North American stock markets started the month much lower on data suggesting the trade war with China has curtailed U.S. manufacturing growth to its lowest level in more than a decade.

The S&P/TSX composite index was down 210.97 points or 1.27% at 16,447.66, its lowest closing in about a month.

In New York, the Dow Jones industrial average was down 343.79 points at 26,573.04. The S&P 500 index was down 36.49 points at 2,940.25, while the Nasdaq composite was down 90.65 points at 7,908.68.

The Canadian dollar traded for an average of 75.51 cents US compared with an average of 75.51 cents US on Monday.

The November crude contract was down 45 cents at US$53.62 per barrel, and the November natural gas contract was down 4.7 cents at US$2.28 per mmBTU.

The December gold contract was up US$16.10 at US$1,489.00 an ounce, and the December copper contract was down 1.8 cents at US$2.56 a pound.