Andrea De Martin/123RF

Canada’s main stock index saw all of this year’s gains wiped away with a fourth day of triple-digit declines over concerns about the impact of the novel coronavirus outbreak.

The S&P/TSX composite index closed down 135.45 points at 17,041.92.

In New York, the Dow Jones industrial average was down 123.77 points at 26,957.59. The S&P 500 index was down 11.82 points at 3,116.39, while the Nasdaq composite was up 15.16 points at 8,980.77.

The Canadian dollar traded for US75.15¢ compared with an average of US75.30¢ on Tuesday.

The April crude contract was down US$1.17 at US$50.04 per barrel and the April natural gas contract was down 1.4 cents at US$1.84 per mmBTU.

The April gold contract was down US$6.90 at US$1,643.10 an ounce and the May copper contract was down 0.85 of a cent at US$2.57 a pound.