Indian equity benchmark -- Nifty ended flat with negative bias on Wednesday amid uncertainty over US-Iran peace deal. Index made a flat-to-negative start amid renewed foreign fund outflow. As per exchange data, foreign institutional investors offloaded equities worth Rs 2,407.87 crore on Tuesday. But in a while, the index managed to add some gains as traders took some support came with Commerce and Industry Minister Piyush Goyal’s statement that officials of India and Canada are negotiating the proposed free trade agreement with full sincerity, and the talks could even be concluded before the end of this year. However, in afternoon session, market pared its gains and started wavering in red and green terrain as investors assessed the latest military operations against Iran. The U.S. military carried out new strikes in Iran, hurting hopes over the weekend that the United States and Iran would reach an agreement to end the war. Afterwards, the Nifty remained volatile and ended slightly below the neutral line.