CANADA STOCKS-TSX flat as mining sector offsets losses in cannabis shares

June 24 (Reuters) - Canada’s main stock index was unchanged on Monday, with losses in stocks of cannabis producers offsetting a rise in shares of precious metal miners as fears of an escalation in U.S.-Iran tensions spurred demand of gold.

* At 9:37 a.m. ET (13:37 GMT), the Toronto Stock Exchange’s S&P/TSX composite index was down 8.49 points, or 0.05%, at 16,516.94.

* Investors globally will be on edge ahead of a high stakes meeting later this week between the presidents of United States and China at the G20 summit where they are expected to work out differences in trade issues.

* Six of the index’s 11 major sectors were lower, led by the more than 1.3% drop in the healthcare sector.

* Canopy Growth Co fell 2.4%, the most on the TSX, as Cormark Securities cut price target on the cannabis maker’s shares.

* The second biggest decliner was Aphria Inc, down 1.9%.

* The materials sector, which includes precious and base metals miners and fertilizer companies, added 0.5% as gold futures rose 1% to $1,409.7 an ounce.

* The largest percentage gainers on the TSX were Centerra Gold, which jumped 2.2% and Yamana Gold Inc, which rose 1.9%.

* The energy sector dropped 0.9% as U.S. crude prices were down 0.3% a barrel, while Brent crude lost 0.8%.

* The heavyweight financials sector remains unchanged while the industrials sector fell 0.3%.

* On the TSX, 107 issues were higher, while 121 issues declined for a 1.13-to-1 ratio to the downside, with 10.16 million shares traded.

* The most heavily traded shares by volume were Royal Nickel Corp, Stornoway Diamond Corp and First Mining Gold Corp.

* The TSX posted 12 new 52-week highs and no new low.

* Across all Canadian issues there were 38 new 52-week highs and 3 new lows, with total volume of 22.57 million shares. (Reporting by Medha Singh in Bengaluru; Editing by Shailesh Kuber)