stocks in canada are firmly in red territory friday midtrading with the sptsx composite index down 26014 points in step with tumbling global markets monetary policy shifts remain the dominant headlines with signs that the us federal reserve may tighten the reigns at a quicker pace in canada consumer services was the only sector posting gains while producer manufacturing materials and energy were among the biggest decliners at midday alimentation couchetard inc renewed its share repurchase program allowing it to buy back up to 10 of its public float canadas sptsx composite index was down 119 at 2139177 while the bluechip sptsx 60 fell 118 to 129468 alimentation couchetard said the toronto stock exchange approved the renewal of its program to purchase up to 797 million class a multiple voting shares over the course of a oneyear period shares are down 05 at c5701 medexus pharmaceuticals inc shares were 23 higher at c306 after it said it resubmitted its new drug application for its drug treosulfan with the us food and drug administration