April 7 (Reuters) - Canada's main stock index opened

lower on Monday, with energy stocks leading the losses, as the

global market rout intensified after U.S. President Donald Trump

showed no sign of backing away from his sweeping tariff plans.

At 9:31 a.m. ET (1331 GMT), the Toronto Stock Exchange's

S&P/TSX composite index was down 3.5% at 22,383.84

points.