$ACHN Achillion Pharmaceuticals, Inc. - Daily and weekly charts stockcharts.com/c-sc/sc?s=ACHN&p=D&yr=0&mn=4&dy=0&i=p23001212636&r=4353 stockcharts.com/c-sc/sc?s=ACHN&p=W&yr=1&mn=3&dy=0&i=p56853254189&r=9050 stockcharts.com/c-sc/sc?s=ACHN&p=W&yr=2&mn=3&dy=0&i=p45159707839&r=8874