shares of enbridge inc enb shed 021 to c5338 wednesday in what proved to be an allaround down trading session for the canadian market with the sptsx composite index gsptse falling 036 to 2036672 enbridge inc closed c631 below its 52week high c5969 which the company reached on june 8th trading volume of 53 m shares remained below its 50day average volume of 73 m