India, Aug. 21 -- Canadian shares may open slightly down on Thursday with investors focusing on the upcoming speeches by central bank chiefs, including Fed Chair Jerome Powell, at the Jackson Hole Symposium.

A lack of fresh news from the trade front may render the mood cautious and deter investors from making significant moves. Subdued metal prices may weigh a bit on materials shares.

Data from Canadian Federation of Independent Business showed that Canada's CFIB Business Barometer long-term index fell 3.7 points to 47.8 in August, after climbing higher in the previous four months.

Data from Statistics Canada showed the Canadian industrial product price index climbed 0.7% in July, after a 0.4% increase in June. Year-on-year, the index ju...