RIGL - 4.11 Pre-market now at 4.43/4.44 Rigel Gets FDA Approval of Tavalisse for Chronic Immune Thrombocytopenia in Adult Patients http://stockcharts.com/c-sc/sc?s=RIGL&p=D&b=5&g=0&i=t37715842604&r=1524052746175 http://stockcharts.com/c-sc/sc?s=RIGL&p=W&b=5&g=0&i=t47748335352&r=1524052777292