TORONTO — Canada’s main stock index fell more than 550 points on Tuesday, weighed down by losses in the basic materials sector, while U.S. markets also lost ground amid uncertainty about U.S.-Iran ceasefire talks.

The S&P/TSX composite index was down 551.73 points at 33,808.30.

In New York, the Dow Jones industrial average was down 293.18 points at 49,149.38. The S&P 500 index was down 45.13 points at 7,064.01, while the Nasdaq composite was down 144.43 points at 24,259.96.

The Canadian dollar traded for 73.24 cents US compared with 73.21 cents US on Monday.

The June crude oil contract was up US$2.25 at US$89.67 per barrel.

The June gold contract was down US$109.20 at US$4,719.60 an ounce.

This report by The Canadian Press was first published April 21, 2026.

— With files from The Associated Press.

Companies in this story: (TSX:GSPTSE, TSX:CADUSD)

The Canadian Press