The TSX offers plenty of buying opportunities in the second quarter of 20201. Canada’s primary stock index continues its mild rally, gaining 9.22% year to date. If you have free cash that you won’t need anytime soon, it would be worth investing in three top TSX stocks immediately. Must-own blue-chip asset The Toronto-Dominion Bank(TSX:TD)(NYSE:TD) is a must-own stock if you still don’t have it in your stock portfolio. Canada’s second-largest bank has proven its resiliency in this most challenging period again. Investors are satisfied with the stock’s 16.28% year-to-date gain and decent 3.84% dividend yield.