Move will result in significantly higher tariffs on virtually every U.S. trading partner

In midday trading, the Toronto Stock Exchange's S&P/TSX Composite Index was 0.8% lower at 27047.17. That has it trading down 1.6% for the week, narrowing the year-to-date advance to 9.4%. Technology and finance stocks led broad losses, with mining one of the only sectors to notch a rise. The blue-chip S&P/TSX 60 was down 0.8% at 1606.93.