shares of barrick gold corp abx slipped 134 to c2217 wednesday in what proved to be an allaround negative trading session for the canadian market with the sptsx composite index gsptse falling 050 to 2010389 barrick gold corp closed c602 below its 52week high c2819 which the company achieved on may 4th trading volume of 33 m shares remained below its 50day average volume of 33 m