(Adds Aviva , Adtalem Global Education, Nubank, EQT AB ; updates Euronext , Altice)
Sept 11 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 2000 GMT on Friday:
** Life and general insurer Aviva AV.L is offloading its Singapore business to a consortium led by Singapore Life, for S$2.7 billion ($1.98 billion), as the London-listed firm sharpens its focus on Britain, Ireland and Canada. For-profit school chain Adtalem Global Education Inc ATGE.N said it plans to buy Walden University from Laureate Education Inc LAUR.O for $1.48 billion in cash to expand its reach into healthcare education. Brazilian financial startup Nubank decided to acquire broker Easynvest as part of a plan to become a full-service financial provider, Nubank's founder David Velez said. EQT's EQTAB.ST Public Value fund has bought a 2.7% stake in Securitas SECUb.ST to become the fourth largest owner of the world's biggest security services group, the Swedish investment firm said on Friday. Euronext ENX.PA and Italy's Cassa Depositi e Prestiti (CDP) confirmed they were in talks to make a joint bid for Borsa Italiana, as Germany's Deutsche Boerse (DE:DB1Gn) submitted a rival offer and one from Swiss exchange Six was expected. Altice Europe's ATCA.AS billionaire founder Patrick Drahi has offered to buy all the shares he does not already own in the telecoms and cable group, in a deal valuing the group at 4.9 billion euros ($5.8 billion). South Korea's Kumho Industrial 002990.KS said that its plan to sell Asiana Airlines 020560.KS , South Korea's No.2 carrier, to Hyundai Development Co 294870.KS had fallen apart. Vietnam's Vingroup VIC.HM is considering selling controlling stakes in its medical and education units, two sources with direct knowledge said, as the conglomerate exits non-core businesses and fortifies its balance sheet amid a profit slump. Property technology startup Opendoor is in advanced talks to go public through a merger with blank-check company Social Capital Hedosophia Holdings Corp.II IPOB.N , Bloomberg reported on Thursday, citing people with knowledge of the matter. Australia's IGO Ltd IGO.AX kicked off a review of its 30% stake in the Tropicana gold mine in Western Australia, after receiving unsolicited approaches from a number of interested parties.