Deals of the day-Mergers and acquisitions

March 28 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 1330 GMT on Friday:

U.S.-based private equity firm KKR KKR.N and Japanese state-backed fund Japan Investment Corp (JIC) will acquire medical gear maker Topcon 7732.T in a tender offer buyout worth 348 billion yen ($2.3 billion), KKR said.

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WH Smith SMWH.L is to sell its more than 230-year-old British high street business to Hobbycraft-owner Modella Capital for 76 million pounds ($98 million) to focus on global travel retail.

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Mitsui Sumitomo Insurance, a subsidiary of MS&AD, has entered into an agreement to purchase 15% of the outstanding common stock of WR Berkley.

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Nippon Steel 5401.T and U.S. Steel X.N are in active talks about a deal that would preserve their $14 billion merger and secure billions more in investments from the Japanese steelmaker into Rust Belt facilities, Semafor reported on Thursday.

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China-based Ninestar Corp 002180.SZ plans to sell printer and printing software maker Lexmark International II to Xerox XRX.O in a deal with an equity value of up to $150 million.

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