Advertising giant WPP PLC
ADK had sought to end a two-decade-old business alliance with WPP, asking it to sell its shares to Bain. But WPP and other large shareholders had sought a higher offer.
ADK shares jumped more 5 percent to 3,660 yen in Tuesday afternoon trade.
An ADK spokeswoman declined to comment.
($1 = 112.5200 yen)
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