(Updates prices to close)
TORONTO, Feb 26 (Reuters) - Canada's main stock index rose on Monday to a three-week high as gains in the prices of commodities such as gold and silver helped drive up shares of mining companies.
The Toronto Stock Exchange's S&P/TSX composite index closed up 76.21 points, or 0.49 percent, at 15,714.66, its highest since Feb. 2.
* Nine of the 10 main sectors on the index were in positive territory.
* The TSX posted seven new 52-week highs and two new lows. Across all Canadian issues there were 30 new 52-week highs and 20 new lows.
* The largest percentage gainer on the TSX was Tahoe Resources, which rose 20.8 percent, while the largest decliner was Maxar Technologies Ltd, down 7.7 percent.
* Among the most active Canadian stocks by volume were Bombardier, up 2.3 percent to C$4.07; Aurora Cannabis , down 3.9 percent to C$10.16 and Aphria Inc, down 7.0 percent to C$12.92.
* The materials sector, which includes mining stocks, was up 0.7 percent. The prices of gold, silver and copper were all trading higher. (Reporting by John Tilak; Editing by James Dalgleish)