Trade war turmoil is weighing heavily on financial markets in Canada. Canada's main stock index has been tumbling along with US indexes since President Donald Trump initiated a trade war with his North American neighbours. Mexico's main stock index has remained relatively steady following measures from the Mexican government to stabilise financial markets. The Toronto Stock Exchange's S and P/TSX composite index reached an all-time high on January 30. It started sliding a day later following the first salvo in the form of announced 25 per cent tariffs on all goods from Canada and Mexico. Since then, Trump has rattled markets with uncertainty as he changes his mind on implementing or delaying tariffs on a seemingly daily basis. The S and P/TSX composite has shed about 5 per cent since Trump opened the trade war on January 31. The financial sector is among the hardest hit, with a 8.6 per cent drop. The industrial sector is down 7.4 per cent, while the energy sector has shed 5.4 per