Canada’s main stock index fell more than 100 points to cap off Tuesday’s trading session, weighed down by losses in the basic materials sector, while U.S. stock markets were mixed.

The S&P/TSX composite index was down 116.71 points at 26,903.57.

Theresa Shutt, chief investment officer at Harbourfront Wealth Management, said there are a couple of reasons for the decline, including uncertainty around trade negotiations between Prime Minister Mark Carney and U.S. President Donald Trump.

Read more: S&P/TSX composite finishes more than 100 points lower, U.S. markets mixed | Business News | thecanadianpressnews.ca