* The most heavily traded shares by volume were Manulife Financial , Bombardier Inc and Enbridge Inc . It was the top boost to the benchmark index as gold prices jumped 1% after slowing U.S. inflation growth saw markets scaling back their expectations for early tapering by the Federal Reserve. * The largest percentage gainer on the TSX was ATS Automation Tooling Systems , which jumped 8.4% after its quarterly results beat estimates.