TORONTO, May 24 (Xinhua) -- Canada's main stock market edged down Thursday for a third straight session as as shares of gold and tech groups were overwhelmed by losses among energy concerns.
The Toronto Stock Exchange's benchmark Standard & Poor's/TSX Composite Index fell 20.18 points, or 0.13 percent, to close the day at 16,113.62 points.
A total of 117 issues advanced and 127 declined decliners. There were 15 new highs and 1 new lows, with total volume of 198.7 million shares.
The Canadian dollar fell 0.3 cent to 0.77.58 U.S. dollar.
Among the largest percentage gainers were Alamos Gold and New Gold. Alamos picked up 35 cents, or 5.2 percent to 7.08 Canadian dollars while New Gold leaped 17 cents, or 5.8 percent, to 3.09 Canadian dollars.
Tech stocks made a name for themselves, primarily Constellation Software, vaulting 27.48 dollars, or 2.8 percent, to 1,016.54 Canadian dollars, and BlackBerry rose three cents to 14.90 Canadian dollars.
In materials, Constantine Metal Resources gained 11 cents, or 16.7 percent to 0.77 Canadian dollar, while Teck Resources picked up 42 cents, or 1.2 percent, to 35.50 Canadian dollars.
Meg Energy dropped 42 cents, or 4.3 percent, to 9.27 Canadian dollars.
Aecon Group fell 2.64 dollars, or 15.2 percent, to 14.70 Canadian dollars after Canada blocked a proposed takeover of 1.5-billion Canadian dollars by a Chinese builder on national security grounds.
