June 5 (Reuters) - Canada's main stock index edged higher on Tuesday as copper prices hit a six-week high, boosting the materials sector.
* At 9:36 a.m. ET (1336 GMT), the Toronto Stock Exchange's S&P/TSX composite index was up 57.22 points, or 0.36 percent, at 16,109.46.
* Concerns over the potential supply impact of wage negotiations at BHP's Escondida mine, in Chile, the world's biggest copper mine, helped copper prices advance 1 percent to $7,045.5 a tonne.
* Ten of the index's eleven major sectors were higher, led by stocks in materials group, which added 0.8 percent.
* Leading the materials group were shares of copper miner First Quantum Minerals Ltd, which rose 4.2 percent.
* Second biggest boost to the main index was the financials sector that gained 0.3 percent.
* Shares of Royal Bank Of Canada rose 0.3 percent and that of Toronto-Dominion Bank gained 0.4 percent after Citigroup raised its price target.
* U.S. President Donald Trump may seek separate talks with Canada and Mexico in a bid to get individual trade deals with the two countries, White House economic adviser Larry Kudlow said on Tuesday.
* The Canadian dollar weakened against the greenback as oil prices fell and Trump mulled moving toward bilateral discussions on NAFTA.
* Economic data showed that Canadian labor productivity fell by 0.3 percent in the first quarter, a deceleration in business output and acceleration in hours worked, from the previous quarter.
* On the TSX, 166 issues were higher, while 68 issues declined for a 2.44-to-1 ratio favouring gainers, with 9.55 million shares traded.
* The largest percentage gainers on the TSX were Hudbay Minerals Inc, which jumped 3.7 percent and First Quantum Minerals Ltd, which rose 3.3 percent.
* Hudson's Bay Co fell 5.1 percent, the most on the TSX, as its first-quarter loss widened on declines in its European and Saks OFF 5th divisions.
* The second biggest decliner on the TSX were shares ofBirchcliff Energy Ltd down 2.1 percent.
* The most heavily traded shares by volume were Canopy Growth Corp, Green Organic Dutchman Holdings and Birchcliff Energy.
* The TSX posted twelve new 52-week highs and no new lows.
* Across all Canadian issues there were 22 new 52-week highs and three new lows, with total volume of 18.50 million shares. (Reporting by Shreyashi Sanyal in Bengaluru; Editing by Arun Koyyur)