shares of teck resources ltd cl b teckb slid 020 to c3413 tuesday in what proved to be an allaround negative trading session for the canadian market with the sptsx composite index gsptse falling 073 to 1867864 this was the stocks third consecutive day of losses teck resources ltd cl b closed c2337 below its 52week high c5750 which the company achieved on june 7th trading volume of 25 m shares eclipsed its 50day average volume of 21 m