Jan 22 (Reuters) - Canada's main stock index scaled an all-time peak on Wednesday after the central bank maintained its key overnight interest rate but opened the door to a possible cut should a slowdown in Canadian growth drag on.
* At 10:20 a.m. ET (1520 GMT), the Toronto Stock Exchange's S&P/TSX composite index was up 82.36 points, or 0.47%, at 17,654.64.
* The Bank of Canada has held interest rates steady since October 2018 even as several of its international counterparts have eased monetary policy.
* Data by Statistics Canada earlier showed the country's annual inflation rate held steady at 2.2% in December, supported by higher energy prices and balanced out by slower cost gains in food and cars.
* The interest rate sensitive financials sector was up 0.3%.
* The energy sector dropped 0.6% as U.S. crude prices were down 2.2% a barrel, while Brent crude lost 1.8%.
* The materials sector, which includes precious and base metals miners and fertilizer companies, lost 0.2%.
* On the TSX, 140 issues were higher, while 89 issues declined for a 1.57-to-1 ratio favouring gainers, with 16.68 million shares traded.
* The largest percentage gainer on the TSX was Bombardier , which jumped 7%, rising for the second day after a report of talks to combine its rail unit with French peer Alstom .
* Spin Master Corp fell 5.2%, the most on the TSX, after the toymaker lowered its forecast for holiday quarter sales.
* The most heavily-traded shares by volume were Bombardier, Royal Bank of Canada and Encana Corp.
* The TSX posted 29 new 52-week highs and no new lows.
* Across all Canadian issues there were 102 new 52-week highs and five new lows, with total volume of 53.02 million shares. (Reporting by Medha Singh in Bengaluru; Editing by Aditya Soni)