Add Sanoor Capital to the list of equity managers that have called it quits due to poor performance.The Greenwich, Conn., firm, led by former Discovery Capital analyst Jasjit Rekhi, recently finished winding down its Sanoor Capital Master Fund. It began trading in May 2016 with backing from hedge fund seeder HS Group. At its peak, the fund had about $350 million under management.Sanoor was in positive territory this year through June. But last...