Here is todays trading on the Alpha Exchange. This volume has to be added to the TSX volume also. Notice how the sp was stepped down by the trading between 2 houses and this should give a clearer picture when you put it together with the closing TSX trades.
http://www.alphatradingsystems.ca/ALPHAMARKET/MarketActivity/SymbolLookupResults/tabid/97/Default.aspx?pid=92&symbol=sli