July 22 (Reuters) - Canada's main stock index opened

higher on Monday, tracking an upbeat mood on Wall Street, as

investors assessed the impact of U.S. President Joe Biden's

decision to drop out of the 2024 election race on financial

markets.

At 9:30 a.m. ET (1330 GMT), the Toronto Stock Exchange's

S&P/TSX composite index was up 52.17 points, or 0.23%,

at 22,742.56 at open.