NEW YORK--(EON: Enhanced Online News)--NYSE Euronext (NYX) today reported net income of $110 million, or $0.43 per diluted share, for the fourth quarter of 2011, compared to net income of $135 million, or $0.51 per diluted share, for the fourth quarter of 2010. Results for the fourth quarter of 2011 and 2010 include $46 million and $18 million, respectively, of pre-tax merger expenses and exit costs. Fourth quarter 2011 results also include a net pre-tax charge of $25 million related to the sett
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