* The Toronto Stock Exchange's S&P/TSX composite index <.GSPTSE> ended down 53.35 points, or 0.33 percent, to 15,915.68. Seven of its 10 main groups finished lower while decliners were outnumbering advancers by almost 2-to-1.
* The heavyweight financials group slipped 0.5 percent, with Toronto-Dominion Bank (>> Toronto-Dominion Bank) off 1.3 percent at C$72.43.
* Shares in smaller lender Laurentian Bank of Canada (>> Laurentian Bank of Canada) fell 7.9 percent to C$56. The bank said in an annual report that it had identified documentation issues and client misrepresentations in some mortgages at its B2B Bank subsidiary and plans to perform an in-depth review of originations.
* The materials group, which includes precious and base metals miners and fertilizer companies, lost 1 percent as miners of copper, nickel, zinc and other base metals were hit hard by falling commodity prices.
* First Quantum Minerals Ltd (>> First Quantum Minerals Limited) fell 4.5 percent to C$14.56 and Teck Resources Ltd (>> Teck Resources Ltd) lost 2.9 percent to C$28.99 as copper prices <CMCU3> fell their most in two years to hit a two-month low.
* Gold miners also fell, with Goldcorp Inc (>> Goldcorp Inc.) shedding 2.2 percent to C$15.61 and Barrick Gold Corp (>> Barrick Gold Corp) off 0.9 percent at C$17.51 as gold dropped 1 percent to a two-month low.
* Commodity prices were in part hurt by a stronger U.S. dollar on the back of a U.S. tax overhaul plan.
* Licensed marijuana producer Aphria Inc (>> Aphria Inc) jumped 16.4 percent to C$13.53 after saying it had reached a deal to supply medical cannabis to Loblaw Cos Ltd's (>> Loblaw Companies Ltd) pharmacy chain Shoppers Drug Mart.
* Bombardier Inc (>> Bombardier, Inc.) ended 1 percent higher at C$3.17 after two sources said Aeromexico has held preliminary talks to take some of its CSeries jets orders from Delta Air Lines Inc, which owns a stake in the Mexican carrier, to avoid possible U.S. trade duties levied on the planes.
* The heavyweight energy group was little changed, while Kinder Morgan Canada Ltd (>> Kinder Morgan Canada Ltd) fell 2.6 percent to C$16.61 after saying late on Monday that the start-up of its Trans Mountain pipeline expansion could be delayed past September 2020.
(Reporting by Alastair Sharp; Editing by Meredith Mazzilli and Lisa Shumaker)
By Alastair Sharp
Stocks treated in this article : Barrick Gold Corp
, Bombardier, Inc.
, First Quantum Minerals Limited
, Goldcorp Inc.
, Loblaw Companies Ltd
, Laurentian Bank of Canada
, Toronto-Dominion Bank
, Teck Resources Ltd
, Aphria Inc
, Kinder Morgan Canada Ltd