May 27 (Reuters) - Canada's main stock index started the

week on an upbeat note, supported by a rise in energy and

materials shares, ahead of a slew of U.S. and Canadian inflation

data for clues on the timeline of interest rate cuts.

At 9:30 a.m. ET (13:30 GMT), the Toronto Stock Exchange's

S&P/TSX composite index was up 41.52 points, or 0.19%,

at 22,362.39.