August 21 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 0930 GMT on Thursday:
** Shareholders of Italian merchant bank Mediobanca rejected the proposal of its chief executive Alberto Nagel to buy Banca Generali , a takeover that would have created Italy's second-largest wealth manager.
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** KKR is the leading candidate to buy the Yokohama headquarters of automaker Nissan Motor <7201.T> and has offered around 90 billion yen ($609.80 million), a source familiar with the matter said.
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** Taiwan's Yageo <2327.TW> raised its tender offer price for Japan's Shibaura Electronics <6957.T> by 7% to 6,635 yen a share to outbid a rival offer as it awaits national security clearance from the Japanese government.
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(Compiled by Rajarshi Roy and Anshi Sancheti in Bengaluru)
((Anshi.Sancheti@thomsonreuters.com))