BW Businessworld Renesas Says In Talks To Buy Chip Designer Dialog For $6 Billion A cash offer of 67.50 euros per share for Dialog would represent a 20% premium to its closing stock price on Friday of 56.12 euros, when it had a market capitalisation of around 4.3 billion euros ($5.2 billion). Photo Credit : Japan's Renesas Electronics Corp said on Monday it is in talks to buy British-based Dialog Semiconductor in a deal that would bolster its automotive chip business and value the Apple Inc AAPL.O supplier at around $6 billion. Under the potential deal, Renesas would pay 67.50 euros a share for Frankfurt-listed Dialog, it said in a release to the Tokyo Stock Exchange, confirming an earlier statement from Dialog.