CANADA STOCKS-TSX seesaws as financials weigh By: Reuters: Company News April 21, 2016 at 11:06 AM EDT TORONTO, April 21 (Reuters) - Canada's main stock seesawed on Thursday as losses for financial sector stocks offset gains for the materials group. Read More >> Related Stocks: Alimentation Couche-Tard Barrick Gold Corporation Potash Corporation of Saskatchewan Royal Bank of Canada Suncor Energy Inc Toronto-Dominion Bank