Tariffied? Here’s why not to sweat

News Snapshot:

Open this photo in gallery: U.S. President Donald Trump holds an executive order about tariffs increase, flanked by U.S. Commerce Secretary Howard Lutnick, in the Oval Office of the White House in Washington, D.C., on Feb. 13.Kevin Lamarque/Reuters Bears shriek that Donald Trump’s Canadian and global tariffs will whack world commerce, stoke inflation and sink stocks. Many argue the sell-offs on the TSX and S&P 500 since the end of January signal a nastier, tariff-induced plunge ahead. Uncertainty over the U.S. President’s on-again, off-again levies may keep jostling stocks in the short term. But it won’t last. The theory behind...