NYSE Euronext is a multinational financial services corporation that operates multiple securities exchanges, including the New York Stock Exchange. It was acquired by Intercontinental Exchange in 2013.
The logo of NYSE Euronext is most likely created with Akko Pro Medium font, which is designed by Linotype's Akira Kobayashi in 2010. Akko suite includes Akko and Akko Rounded typefaces, fusing DIN Next's restrained and functional style with Cooper Black's organic and informal style. More details can be found here.