KTRA...........AKBA...........STXS..........WAFU...........OPTT..........https://stockcharts.com/h-sc/ui?s=OPTT&p=D&yr=0&mn=3&dy=0&id=p49163988847 https://stockcharts.com/h-sc/ui?s=WAFU&p=D&yr=0&mn=3&dy=0&id=p49163988847 https://stockcharts.com/h-sc/ui?s=STXS&p=D&yr=0&mn=3&dy=0&id=p49163988847 https://stockcharts.com/h-sc/ui?s=AKBA&p=D&yr=0&mn=3&dy=0&id=p49163988847 https://stockcharts.com/h-sc/ui?s=KTRA&p=D&yr=0&mn=3&dy=0&id=p49163988847