(Updates prices, adds sector details) March 11 (Reuters) - Canada’s main stock index rose on Thursday as strong commodity prices lifted energy and materials stocks, while a retreat in U.S. Treasury yields eased fears of rising U.S. inflation further boosting sentiment. * The energy sector climbed 1.1% as crude prices gained on a weaker dollar, while the materials sector , which includes precious and base metals miners and fertilizer companies, added 1.4% as bullion prices rose to a one-week peak. * U.S. Treasury yields fell as concerns over a strong pick up in inflation eased on a tepid rise in U.S. consumer prices in February. * At 9:39 a.m. ET (14:39 GMT), the Toronto Stock Exchange’s S&P/TSX composite index was up 122.5 points, or 0.66%, at 18,812.5. * The financials sector gained 0.1%, while the industrials sector rose 0.5%. * On the TSX, 180 issues advanced, while 33 issues declined in a 5.45-to-1 ratio favoring gainers, with 18.66 million shares traded. * The largest percentage gainers on the TSX were Automobile parts maker Linamar Corp and food products distributor Premium Brands Holdings Corp, which jumped 7.5% and 5.1% respectively, after they reported fourth-quarter results. * Ivanhoe Mines Ltd fell 12.1%, the most on the TSX, after the miner arranged private placement of convertible senior notes. * The second biggest decliner was Bausch Health Companies Inc, down 2.9%, after the firm named insider Sam Eldessouky as its new finance chief. * The most heavily traded shares by volume were OrganiGram Holdings Inc, Ivanhoe Mines Ltd, and Supreme Cannabis Company Inc. * The TSX posted 24 new 52-week highs and no new low. * Across Canadian issues, there were 120 new 52-week highs and six new lows, with a total volume of 42.33 million shares. (Reporting by Amal S in Bengaluru; Editing by Vinay Dwivedi)