April 29(Reuters) - Canada's main stock index dropped on Monday, led by losses in mining and energy shares, as investors treaded with caution ahead of the country's monthly economic report.
* At 9:51 a.m. ET (13:51 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was down 18.01 points, or 0.11 percent, at 16,595.45.
* Canada's gross domestic product (GDP) data for February is due on Tuesday, which could shed further light on the pace of economic growth in the first quarter.
* The Bank of Canada lowered its growth forecast for 2019 last week and maintained its benchmark interest rate steady. Six of the index's 11 major sectors were in the red, led by a 1 percent fall in the materials sector .GSPTTMT .
* The energy sector .SPTTEN also dropped 0.4 percent, tracking a fall in crude prices after weeks of gains as U.S. President Donald Trump demanded that producer club OPEC raise output to soften the impact of U.S. sanctions against Iran.
* U.S. crude CLc1 prices were down 0.4 percent per barrel, while Brent crude LCOc1 lost 0.4 percent. O/R
* The heavyweight financials sector .SPTTFS gained 0.4 percent, while the industrials sector .GSPTTIN edged down 0.3 percent.
* The materials sector, which includes precious and base metals miners and fertilizer companies, was pressured by gold futures GCc1 , which fell 0.6 percent to $1,278.3 an ounce. GOL/ MET/L
* On the TSX, 123 issues were higher, while 113 issues declined for a 1.09-to-1 ratio favouring gainers, with traded volumes touching 20.46 million shares.
* The largest percentage gainers on the TSX were Hexo Corp HEXO.TO , which rose 3 percent, and Cineplex Inc CGX.TO , which increased 2.4 percent.
* Restaurant Brands QSR.TO fell 3.5 percent, the most on the TSX, after the company missed analysts' estimates for first-quarter profit, hit by slowing growth at its Burger King, Tim Hortons and Popeyes Louisiana Kitchen chains. The second biggest decliner was First Majestic Silver Corp FR.TO , down by 2.9 percent.
* The most heavily traded shares by volume were Hexo Corp, Aurora Cannabis Inc ACB.TO and Bombardier Inc BBDb.TO .
* The TSX posted six new 52-week highs and two new lows.
* Across all Canadian issues, there were 40 new 52-week highs and nine new lows, with total volume touching 34.80 million shares.