News: RIO Deals of the day-Mergers and acquisitions

Aug 15 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 0930 GMT on Monday:

** Turquoise Hill Resources Ltd TRQ.TO rejected an offer by majority shareholder Rio Tinto Ltd (RIO) , RIO.L to buy the 49% stake it doesn't already own for $2.7 billion, as it did not reflect the Canadian company's full and fair value.

** German utility EnBW EBKG.DE has sold a 49.9% stake in a 597 megawatt (MW) solar power portfolio to local insurance firm ALH Group, reflecting rising deal activity across the renewables sector in light of higher valuations.

** South African thermal coal producer Seriti Resources said it had agreed to acquire a majority stake in Windlab Africa's wind and solar energy assets in a $55 million deal that marks its first step towards renewable energy.

** Australia's Nearmap Ltd (NEA) disclosed a $754.6 million non-binding takeover proposal from Thoma Bravo and said it had granted due diligence to the private equity firm, sending shares of the aerial imagery company higher by more than 30%.

** SoftBank Group Corp's 9984.T decision to sell down its Alibaba Group Holding 9988.HK , BABA.N stake for a $34 billion gain may be aimed at bolstering its finances, but it also underlines how CEO Masayoshi Son has cooled on China tech.