(Adds AT&T, Gray Television, Diageo)
June 25 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 1338 GMT on Monday:
** Gray Television Inc said it would buy privately held rival broadcaster Raycom Media Inc in a cash-and-stock deal valued at $3.65 billion, in a push to move into more local television markets and attract additional advertising.
** Education Realty Trust Inc, an owner of collegiate housing communities, said it would be acquired by an affiliate of Greystar Real Estate Partners for about $4.6 billion, including debt.
** Enel agreed a deal that could see it spend more than 2 billion euros ($2.3 billion) to buy Latin American fiber company Ufinet International, as the Italian company looks to advance its ultrafast broadband ambitions.
** Diageo Plc, the world's largest spirits company, said it had proposed a partial tender offer to Chinese liquor company Sichuan Shuijingfang Company to raise its stake to up to 60 percent in the company.
** AT&T Inc said it would buy online advertisement exchange company AppNexus Inc, less than a month after the No. 2 U.S. wireless carrier closed its $85 billion deal to acquire media company Time Warner Inc.
** French outdoor advertising company JC Decaux said it was still in talks with Australian billboard firm APN Outdoor Group over its offer to buy APN, currently worth around $810 million.
** Australia's Gateway Lifestyle Group said it received a sweetened A$713.8 million ($531 million), or A$2.35 a share, takeover offer from Hometown Australia Holdings Pty Ltd and Hometown America Communities Limited Partnership.
** The Czech anti-monopoly office UOHS has cleared Chinese state-owned CITIC Group Corporation's takeover of most of the Czech-based assets held by China's struggling conglomerate CEFC, the watchdog said.
** EDP-Energias de Portugal Chief Executive Officer Antonio Mexia is touring London, Beijing and New York as he tries to convince investors that a takeover bid offered by China Three Gorges is too low while EDP seeks clarification from the bidder.
** Andritz has agreed to buy U.S. machine industry company and supplier Xerium Technologies in a cash deal worth roughly $833 million, the Austrian engineering group said.
** South African healthcare provider Ascendis Health said it plans to dispose of smaller local non-core businesses as part of a strategic review aimed at improving cash generation and enhancing profitability. (Compiled by Karan Nagarkatti in Bengaluru)