shares of snclavalin group inc snc dropped 071 to c2239 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 second consecutive day of losses snclavalin group inc closed c1586 short of its 52week high c3825 which the company reached on september 16th trading volume of 238767 shares remained below its 50day average volume of 332542