July 13 (Reuters) - Canada's main stock index rose on Tuesday as cannabis producers rallied, driven by upbeat earnings from OrganiGram Holdings, and sent the healthcare index surging nearly 4%.
* At 09:46 a.m. ET (13:46 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was up 45.28 points, or 0.22%, at 20,278.36.
* The energy sector .SPTTEN climbed 0.1% as U.S. crude CLc1 prices were up 0.2% a barrel, while Brent crude LCOc1 added 0.6%. O/R
* The healthcare sector .GSPTTHC added 3.8%, on track for its best session in more than a month, as shares in OrganiGram OGI.TO surged 17% after the pot producer reported a jump in quarterly net revenue.
* The materials sector .GSPTTMT, which includes precious and base metals miners and fertilizer companies, rose 1.3% as gold futures GCc1 advanced 0.2% to $1,809.3 an ounce. GOL/MET/L
* On the TSX, 111 issues were higher, while 110 declined for a 1.01-to-1 ratio favouring gainers, with 15.93 million shares traded.
* After Organigram, the largest percentage gainers on the TSX were cannabis majors Tilray Inc <TLRY.TO>, Cronos Group CRON.TO, Aurora Cannabis ACB.TO and Canopy Growth WEED.TO, which rose between 5.3% and 6.7%.
* Badger Infrastructure solutions <BDGI.TO> fell 6%, the most on the TSX, after brokerage BMO cut the stock's price target. The second-biggest decliner was Westport Fuel <WPRT.TO>, which fell 2.6%.
* The most heavily traded shares by volume were Toronto Dominion Bank <TD.TO>, Nevada Copper <NCU.TO> and Bombardier <BBDb.TO>.
* The TSX posted no new 52-week highs and no new lows.
* Across all Canadian issues, there were 65 new 52-week highs and three new lows, with a total volume of 30.83 million shares.
(Reporting by Susan Mathew in Bengaluru; Editing by Ramakrishnan M.)
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