shares in toronto were relatively flat midday tuesday in the first session of trading after the long thanksgiving weekend in canada shares in clean energy fuel cell solutions provider ballard power systems rose after the company said it will supply hydrogen fuel cell modules to a spanish company for trials of commuter and regional passenger trains canadas sptsx composite index was down 003 at 2040997 while the bluechip sptsx 60 slipped 012 to 122533 ballard power systems inc shares rose 68 to c6592 after announcing an agreement to supply eight of its hydrogen fuel cell modules to talgo sa which would be used in trials of commuter and regional passenger trains argonaut gold inc shares rose by 29 to c281 on news that it has significantly increased its mineral tenure and area of potential exploration in mexico after acquiring mineral concessions from a subsidiary of fresnillo plc for 58 million shares in taseko mines ltd rose 49 to c255 after the company said its 75owned mine in british columbia saw a significant increase in production of both copper and molybdenum in the third quarter which coupled with higher copper prices is expected to improve its financial performance