Open this photo in gallery: Stocks have fallen sharply in recent days, with investors nervous about the impact of U.S. tariff policy.zoom-zoom/iStockPhoto / Getty Images The escalating global trade war – particularly between the U.S. and Canada – has sent stocks tumbling in recent days amid fears of a recession across North America. U.S. stocks closed lower on Tuesday, with the S&P 500 entering correction territory before reducing the scale of those losses. The Nasdaq Composite confirmed a 10-per-cent correction late last week and fell again on Tuesday, and the S&P/TSX Composite Index also lost ground again. The Globe and…