Adds: Motorola Solutions, Ecopetrol, China Mobile Updates: Rosneft
May 21 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 1330 GMT on Wednesday:
** Motorola Solutions is in advanced talks to acquire closely held wireless-radio maker Silvus Technologies for around $4.5 billion, Bloomberg News reported, citing people familiar with the matter.
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** Russia's largest oil producer Rosneft has acquired Tomtor, the country's largest rare earth metal deposit, a companies registry showed, after President Vladimir Putin's call last year for development of the field to be accelerated.
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** Colombian state-run oil company Ecopetrol said it agreed to buy 10 wind and solar energy project development companies from Norway's Statkraft.
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** China Mobile <600941.SS>, the world's biggest wireless carrier by users, is moving closer to a deal to take over Hong Kong broadband company HKBN <1310.HK> after rival bidder I Squared Capital dropped out of the race, three sources said.
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(Compiled by Rajarshi Roy and Priyanka.G in Bengaluru)
((Rajarshi.Roy@thomsonreuters.com))