TORONTO, March 31 (Reuters) - Toronto's main stock index opened sharply higher on Thursday, helped by stronger commodity prices and data that showed the Canadian economy grew in January.
Also pushing the index up, Bombardier shares surged after it announced higher quarterly earnings and new train orders.
The Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was up 77.22 points, at 14,160.80 at the open. Nine of its 10 main groups were higher.
($1=$0.97 Canadian) (Reporting by Solarina Ho; editing by Peter Galloway)