Published May 31, 2017 4:39pm EDT | Updated May 31, 2017 5:04pm EDT

Marathon Petroleum's Board OKs $3 Billion Share Buyback

Marathon Petroleum Corp. said late Wednesday its board of directors approved an additional $3 billion share buyback program. The previous authorization has about $2.14 billion remaining as of late March, the refiner said. Shares of Marathon were flat in after hours trading, and ended the regular session down 0.7%.