NYSE Euronext has pledged to pursue more strategic acquisitions after record trading across the transatlantic exchange group’s products last year drove net profits to $643m (€434m) in its maiden annual results, but admitted one of its most recent purchases will delay the cost savings identified during its merger last April.

Duncan Niederauer, who took over as NYSE Euronext chief executive after John Thain joined Merrill Lynch in December, said today: “NYSE Euronext produced record financial results in 2007. We reached new levels in trading volume, message traffic and global initial public offering proceeds, underscoring the value of our strong technology, compelling business model and unparallelled global presence.”