(Adds CVC Capital Partners, KK Group, updates Atlantia )
July 10 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 1330 GMT on Wednesday:
** Italian infrastructure group Atlantia ATL.MI is considering buying a 35-40% stake in troubled carrier Alitalia for an investment of around 300 million euros ($336 million), the Il Sole 24 Ore daily reported. Japanese travel services provider H.I.S. Co 9603.T said it would spend 42.655 billion yen ($391.76 million) to launch a tender offer for about 40% of shares in hotel operator Unizo Holdings Co 3258.T .
** Germany's Leoni LEOGn.DE is exploring a sale or flotation of its wire and cables division as part of a broader review of the company's group structure, Chief Executive Aldo Kamper told Reuters. Bank of Yokohama Ltd and Chiba Bank Ltd 8331.T said they have agreed to establish a business partnership, as the pair seek revitalisation in a market characterised by an ageing population and a lengthy period of low interest rates. Private equity firm KKR & Co Inc KKR.N said it is in talks to sell a majority stake in French call centre business Webhelp to Belgian investment firm Groupe Bruxelles Lamber for on an enterprise value of 2.4 billion euros ($2.69 billion). A consortium led by private equity firm CVC Capital Partners has agreed to acquire a 30% stake from existing shareholders in Dubai-based GEMS Education. A.P. Moller Holding, which controls Danish shipping giant A.P. Moller-Maersk MAERSKb.CO will acquire Danish wind turbine supplier KK Group, it said, in a first step into the renewable energy industry. Private equity group Bridgepoint has agreed to buy a majority stake in Qualitest, and Israeli software testing firm, from Marlin Equity Partners, the companies said. Private equity fund HitecVision HITV.NFF and Omani oil group Petrogas have teamed up to buy a portfolio of Total's TOTF.PA British North Sea oilfields for $635 million, the companies said. PPF Group, owned by the Czech Republic's richest businessman Petr Kellner, has sold a 4.5% stake in Russian gold and silver producer Polymetal, a bookrunner for the deal said. Bolivia's state-owned oil company YPFB plans to bid on a stake in a natural gas pipeline linking the country to Brazil to secure better terms for its gas sales there, the company said on Tuesday. Tanzania's largest gold miner Acacia Mining Plc ACAA.L said on Tuesday 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.