(Updates share prices, adds details on sectors)
Nov 9 (Reuters) - Canada's main stock index hit a two-month high on Monday after drugmaker Pfizer (NYSE:PFE) PFE.N said its experimental COVID-19 vaccine was more than 90% effective and as hopes of more stimulus under U.S. President-elect Joe Biden also boosted sentiment.
U.S. drugmaker Pfizer and German partner BioNTech SE BNTX.O are the first drugmakers to release successful data from a large-scale clinical trial of a coronavirus vaccine.
The companies said they have so far found no serious safety concerns and expect to seek U.S. authorization this month for emergency use of the vaccine. At 9:47 a.m. ET (1447 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was up 379.21 points, or 2.33%, at 16,662.04.
* The index is on track to record its highest single-day jump in nearly seven months.
* Cenovus Energy Inc's shares CVE.TO jumped 15% after the oil and gas producer said it will sell its Marten Hills oil assets in northern Alberta to Headwater Exploration Inc HWX.TO for C$100 million ($77.16 million). The energy sector .SPTTEN climbed 11.9% as U.S. crude CLc1 prices were up 10.7% a barrel and Brent crude LCOc1 added 9.6%. O/R
* A decliner was the materials sector .GSPTTMT , which includes precious metals miners, lost 5% as gold futures GCc1 fell 4%. GOL/ MET/L
* On the TSX, 171 issues were higher, while 50 issues declined for a 3.42-to-1 ratio favoring gainers, with 69.55 million shares traded.
* The largest percentage gainers on the TSX was Aurora Cannabis ACB.TO , which jumped 25.9%, after reporting an improvement in quarterly results.
* Alamos Gold AGI.TO fell 11.8%, the most on the TSX, while the second biggest decliner was Kinross Gold Corp K.TO , down 10.2%.
* The TSX posted 22 new 52-week highs and no new low.
* Across all Canadian issues there were 147 new 52-week highs and 10 new lows, with total volume of 129.36 million shares.