(Adds Gafisa, Politan Capital Management, Tsingshan, Telkom)...

(Adds Gafisa, Politan Capital Management, Tsingshan, Telkom)

Aug 16 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 1400 GMT on Tuesday:

** Brazilian homebuilder Gafisa SA GFSA3.SA said that talks over its potential acquisition of rival Construtora Sao Jose have ended unsuccessfully but noted that the parties "remain open" to potential future partnerships.

** Activist investor Politan Capital Management disclosed an 8.4% stake in medical device maker Masimo Corp MASI.O , according to a regulatory filing.

** China's stainless steel and nickel giant Tsingshan Holding Group is considering selling some of its assets in Indonesia to China Baowu Steel Group, the world's top steel producer, sources said.

** South Africa's data-only network provider rain intends to submit a formal non-binding proposal to bigger rival Telkom TKGJ.J in due course, it said , after retracting a media statement on its merger proposal sent last week.

** Japan's biggest power generator JERA said it will spend about 15 billion yen ($112 million) to buy a 35.1% stake in Vietnamese renewable energy company Gia Lai Electricity JSC (GEC) GEG.HM to expand its overseas business.

** Sweden-based private equity fund EQT EQTAB.ST said it had made a cash offer for the remaining shares in Swedish biopharmaceuticals group Karo Pharma KARO.ST .

** The founders of Singaporean rubbish collector 800 Super Waste Management, backed by private equity firm KKR & Co KKR.N , are nearing a deal to sell the business which could value it at around $300 million, two sources with knowledge of the matter told Reuters.

** Juicy Couture and Forever 21 owner Authentic Brands (ABG) AUTH.N have agreed to buy Ted Baker TED.L in a deal worth roughly 211 million pounds ($254 million), ending months of speculation over the fate of the British fashion group.

** Activist investor Elliott Management has sold almost all its remaining shares in SoftBank Group Corp 9984.T after previously investing as much as $2.5 billion, the Financial Times said, citing unidentified sources.

** Elliott Management, the hedge fund that pushed for big changes at Twitter two years ago, exited the stock during the second quarter, soon after Elon Musk announced plans to buy the social media company, a regulatory filing shows.

** Tassal Group (TGR) said it had accepted a sweetened A$5.23 per share takeover offer from Canadian aquaculture company Cooke Inc, giving the Australia-based salmon producer an enterprise value of A$1.70 billion ($1.19 billion).

** Berkshire Hathaway Inc BRKa.N , run by billionaire Warren Buffett, has tripled its stake in online banking company Ally Financial Inc ALLY.N and increased its bet that "Call of Duty" video game maker Activision Blizzard Inc ATVI.O will be acquired by Microsoft Corp MSFT.O .