Canadian Press - 3 minutes ago A sign board in Toronto displays the TSX close on Monday March 16, 2020. THE CANADIAN PRESS/Frank Gunn The U.S.-Iran war has roiled commodity and stock markets while stoking inflationary fears, but experts caution investors against emotionally driven changes to their portfolio. Investors have seen oil prices surge to top US$120 per barrel at one point this week and major North American stock indexes tumble.