24 AUGUST 2011business spectatorPerpetual buys 25m Alumina sharesEdited by : AL CIRCLE1 min readPerpetual Ltd bought a net 24,956,844 Alumina Ltd shares between July 28, 2011 and August 19, increasing from 122,169,825 shares (5.01%) to 147,093,709 shares (6.03%). Tagged with:Merger and acquisitionAlumina tradePrevious articleVedanta's Alumina Refinery at Lanjigarh in Orissa gets ISO 50001:2011 CertificationNext articleBHP Billiton -ProjectsGrow with AL CircleKNOW MORE