1. Canada-U.S. Trade War Escalates as Talks Collapse  The New York Times
2. US-Canada trade war reignites as talks fail at last minute  CNN
3. Canadian prime minister suspends trade talks with U.S., setting new 50% tariffs in motion  NBC News
4. Canada-U.S. Tariff Talks Continue as Trump’s Midnight Deadline Looms  The New York Times
5. No deal reached in U.S.-Canada trade talks as 50 percent tariffs take effect  The Washington Post

Source: Google Finance – Market News