Oct 23 (Reuters) - Canada's main stock index rose on Friday, helped by encouraging estimates of domestic wholesale data and gains in Corus Entertainment Inc CJRb.TO after multiple brokerages went bullish on the stock following a strong quarterly result.
* At 9:36 a.m. ET (1336 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was up 30.1 points, or 0.18%, at 16,309.46.
* The nation's wholesale sales in September most likely increased by 0.4% after rising 0.3% in August, Statscan said in a flash estimate. Media company Corus Entertainment Inc CJRb.TO was the largest percentage gainer on the index, jumping 9.5% after multiple brokerages raised their price targets on its stock following upbeat quarterly results. Canfor Corp CFP.TO was the next big gainer, rising 3.7% after the company posted third-quarter earnings above analysts' estimates. The energy sector .SPTTEN shed its initial gains and dropped 0.2%, even as U.S. crude CLc1 prices ticked up 0.2% a barrel and Brent crude LCOc1 added 0.1%. O/R
* The materials sector .GSPTTMT , which includes precious and base metals miners and fertilizer companies, lost 0.6% even though gold futures GCc1 rose 0.3% to $1,907.4 an ounce. GOL/
* On the TSX, 139 issues were higher, while 78 issues declined for a 1.78-to-1 ratio favouring gainers, with 9.93 million shares traded.
* Blackberry Ltd BB.TO fell 2.1%, the most on the TSX, and the second-biggest decliner was Lundin Gold Inc LUG.TO , down 2.1%.
* The most heavily-traded shares by volume were Echelon Financial Holdings Inc EFH.TO , Bombardier Inc BBDb.TO , and Air Canada AC.TO .
* The TSX posted three new 52-week highs and no new lows.
* Across all Canadian issues there were eight new 52-week highs and two new lows, with a total volume of 19.02 million shares.