NEW YORK, May 11 (Reuters) -
* The Toronto Stock Exchange's S&P/TSX .GSPTSE rose 23.82 points, or 0.15 percent, to 15,983.32, its seventh straight gain. The index rose 1.6 for the week, its best weekly performance since mid-February.
* The biggest contributor to the TSX gain was Enbridge ENB.TO with 10.9 net index points. Energy was the top sector contributor with 16.1 net points.
* Leading the index were Great Canadian Gaming Corp GC.TO , up 7.5 percent, MEG Energy Corp MEG.TO , up 5.6 percent, and SSR Mining Inc SSRM.TO , higher by 4.3 percent.
* Lagging shares were CES Energy Solutions Corp CEU.TO , down 9.7 percent, Torex Gold Resources Inc TXG.TO , down 8.3 percent, and Stars Group Inc TSGI.TO , lower by 6.3 percent.
* On the TSX 110 issues advanced and 135 declined as a 0.8-to-1 ratio favored decliners. There were 14 new highs and 7 new lows, with total volume of 196.2 million shares.
* The most heavily traded shares by volume were ECN Capital Corp ECN.TO , Enbridge Inc ENB.TO and Meg Energy Corp MEG.TO .
* West Texas Intermediate crude futures CLc1 fell 1.12 percent, or $0.8, to $70.56 a barrel. Brent crude LCOc1 fell 0.57 percent, or $0.44, to $77.03 O/R
* The TSX is off 1.4 percent for the year.