July 9 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 2000 GMT on Tuesday:
** Tanzania's largest gold miner Acacia Mining Plc ACAA.L said it is worth more than a buyout proposal by majority shareholder Barrick Gold Corp ABX.TO GOLD.N values it at, and extended the deadline for a firm bid to July 19.
Bayer BAYGn.DE has approached U.S. drug firm Elanco Animal Health ELAN.N to discuss a possible combination of their pet-health businesses to create an industry giant, three sources familiar with the matter told Reuters.
International Business Machines (NYSE:IBM) Corp IBM .N said it has closed its $34 billion acquisition of software company Red Hat Inc (NYSE:RHT) RHT.N as it looks to ramp up its cloud computing business.
Network gear maker Cisco Systems Inc CSCO.O said it would buy optical component maker Acacia Communications Inc ACIA.O for $2.84 billion in cash.
Italy's Generali GASI.MI has entered exclusive negotiations to buy Portuguese insurer Tranquilidade in a deal to boost its presence in Portugal, two sources familiar with the matter said.
ABB ABBN.S will pay up to $470 million to hand over its loss-making solar inverter business to Italy's FIMER SpA, the first big move by interim CEO Peter Voser and a reflection of the tough conditions in the solar industry.
Czech-based Sazka Group has launched a bid to take full control of Greece's OPAP OPAr.AT , Europe's fourth-largest betting firm by revenue. Italy's biggest bank by assets, UniCredit CRDI.MI , plans to review its corporate structure and could ring-fence its foreign operations from its systematically risky home market, two sources said.
Bank of Yokohama and Chiba Bank Ltd 8331.T are considering a business tie-up, the banks said, after the Nikkei newspaper reported that the two regional lenders would form a comprehensive partnership.
London-based asset manager Sarasin & Partners has sold nearly 20% of its holdings in Royal Dutch Shell RDSa.L , saying the oil and gas company's spending plans are out of synch with international targets to battle climate change.
Hungarian information technology company 4iG IGNY.BU has signed a preliminary deal to buy its bigger rival T-Systems, which is owned by Magyar Telekom.
Singapore Exchange SGXL.SI said it will invest in locally-based fintech company Smartkarma, tapping its investment research network. Brazilian state-owned oil firm Petroleo Brasileiro SA PETR4.SA has reached an agreement with anti-trust regulator Cade to sell off a series of natural gas transportation and distribution assets, the company said in an exchange filing on Monday.