Sept 30(Reuters) - Canada's main stock index rose slightly on Monday recovering from last session's fall, as a rally in utilities and consumer stocks helped offset losses in some other sectors.
* The index is on track to post its best month since June, and clock its third straight quarterly gain.
* At 1012 ET (1412 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was up 29.6 points, or 0.18%, at 16,723.87.
* The largest percentage gainer on the TSX was utility AltaGas Ltd ALA.TO , which jumped 3.4% after announcing plans to sell its stake in the Central Penn Line Meade Pipeline for C$870 million ($656.85 million). Convenience store operator Alimentation Couche-Tard ATDb.TO rose almost 2%, while a 3% gain in shares of e-commerce software maker Shopify SHOP.TO lifted tech stocks .SPTTTK .
* The materials sector .GSPTTMT , which includes precious and base metals miners and fertilizer companies, lost 0.5% as gold futures GCc1 fell 1.1% to $1,482.1 an ounce. GOL/ MET/L
* Wesdome Gold WDO.TO fell 5.9%, the most on the TSX. The second-biggest decliner was Silvercorp Metal SVM.TO , down 5.3% in line with a move lower in silver prices XAG= .
* The energy sector .SPTTEN dropped 0.2% as U.S. crude CLc1 prices were down 1.1% a barrel, while Brent crude LCOc1 lost 1.4%. O/R
* The healthcare sector .GSPTTHC lost 1.5% as cannabis companies fell, after a U.S. recommendation that consumers avoid vaping products containing the active ingredient in marijuana ahead of their legalization in Canada next month. On the TSX, 136 issues were higher, while 91 issues declined for a 1.49-to-1 ratio favouring gainers.
* The most heavily traded shares by volume were Yorbeau Cl A YRB.TO , down 16.7%; Aurora Cannabis ACB.TO down 3.4% and New Gold NGD.TO down 3.6%.
* The TSX posted 9 new 52-week highs and 4 new lows.
* Across all Canadian issues there were 22 new 52-week highs and 19 new lows, with total volume of 55.92 million shares.