 GulfNews | NYSE Euronext Buys Doha Market Stake for $250 Million (Update2) Bloomberg - By Arif Sharif and Edward Evans June 24 (Bloomberg) -- NYSE Euronext, the world's largest stock exchange, agreed to buy a 25 percent stake in the Doha Securities Market for $250 million as Qatar vies with Dubai and Bahrain to build a Middle Eastern ... NYSE Euronext Takes Qatari Route NYSE Euronext to buy 25 pct stake in Doha exchange |