CANADA STOCKS-TSX opens higher on China data, U.S. debt deal

TORONTO, Feb 12 (Reuters) - Canada's main stock index opened higher on Wednesday, extending its gains to a seventh straight session, boosted by positive Chinese trade data and relief over a U.S. debt ceiling deal. The Toronto Stock Exchange's S&P/TSX composite index was up 29.01 points, or 0.21 percent, at 13,910 shortly after the open.