TORONTO, Oct 14 (Reuters) - The Toronto Stock Exchange’s main index jumped at the open on Tuesday in a broad-based rally as investors played catch-up to Monday’s monstrous surge on Wall Street and welcomed a U.S. plan to inject $250 billion into its banks.

Shortly after the open, the S&P/TSX composite index .GSPTSE jumped 1,600.18 points, or 17.65 percent, at 10,665.34.

Canadian markets were closed on Monday for Thanksgiving Day. ($1=$1.15 Canadian)