June 19 (Reuters) - Canada's main stock index fell to
one-week lows on Friday, as U.S.-Iran negotiations aimed at
ending the Middle East conflict were called off, fueling fresh
uncertainty at the end of a choppy week.
At 9:32 a.m. ET, the Toronto Stock Exchange's S&P/TSX
Composite Index fell 0.26% at 34,873.77 points.