Core Viewpoint - Exelixis has announced a new share repurchase program worth up to 500million,whichhaspositivelyimpacteditsstockpriceamidstagenerallydecliningmarket[1][2].Group1:ShareRepurchaseProgram−Exelixiswillinitiateanewsharerepurchaseprogramauthorizedforupto500 million before December 31, following the exhaustion of the current buyback program [2]. - The company expects the current buyback program, also capped at 500million,tobecompletedinthesecondcalendarquarterofthisyear[2].−ThisnewinitiativemarksExelixis′sfourthsharerepurchaseprogram,withover1.2 billion spent on buybacks through the end of 2024 [3]. Group 2: Market Reaction - Following the announcement of the new buyback program, Exelixis's shares rose by 5%, contrasting with a 1.7% decline in the S&P 500 index on the same day [1]. - Investors generally view stock repurchase announcements favorably, as they indicate management's commitment to supporting equity value [4].