shares of cenovus energy inc cve slipped 658 to c2371 monday in what proved to be an allaround poor trading session for the canadian market with the sptsx composite index gsptse falling 094 to 1958890 cenovus energy inc closed c748 short of its 52week high c3119 which the company achieved on june 8th trading volume of 87 m shares eclipsed its 50day average volume of 52 m