(Updates prices, adds sector details)
March 19 (Reuters) - Canada's main stock index fell on Friday, pressured by weakness in energy and bank stocks, while data showed domestic retail sales fell in January further denting sentiment.
* The energy sector .SPTTEN dropped 0.8% as a new wave of coronavirus infections across Europe triggered fresh lockdowns, while the financials sector .SPTTFS slipped 0.7%.
* Domestic retail sales fell 1.1% to C$52.55 billion ($42.07 billion) in January compared with the previous month, as provincial governments began re-introducing health restrictions to combat a resurgence in coronavirus cases, Statistics Canada said. At 9:41 a.m. ET (13:41 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was down 65.17 points, or 0.35%, at 18,771.3.
* Miner Teck Resources Ltd TECKb.TO fell 3.4%, the most on the TSX, followed by fuel-cell products maker Ballard Power Systems Inc BLDP.TO , down 3.1%.
* On the TSX, 85 issues advanced, while 127 issues declined in a 1.49-to-1 ratio favoring decliners, with 173.81 million shares traded.
* The largest percentage gainers on the TSX were gold miners Kirkland Lake Gold Ltd KL.TO and NovaGold Resources Inc. NG.TO , both up 2.4%.
* The most heavily traded shares by volume were Toronto-Dominion Bank TD.TO , Enbridge Inc ENB.TO , and Canadian Natural Resources Limited CNQ.TO .
* The TSX posted no new 52-week high or low.
* Across Canadian issues, there were 15 new 52-week highs and two new lows, with total volume of 197.52 million shares.