TORONTO, Oct 1 (Reuters) - Toronto's main stock index fell into negative territory on Friday morning after data showed U.S. manufacturing growth slowed last month and as investors took a break from buying after notching big gains in September and in the third quarter.
The Toronto Stock Exchange's S&P/TSX composite index .GSPTSE fell 2.23 points to 12,366.42. (Reporting by Jennifer Kwan; editing by Peter Galloway)
