OMX, the Nordic and Baltic exchange operator, saw pre-tax profits rise by 10% in the three months to June 30, boosted by the integration of its latest acquisition, the Copenhagen Stock Exchange.

Pre-tax profits grew from Skr191m (€20.3m) in the three months to the end of June 2004, to Skr208m this year. Revenues across the business, which includes exchanges and technology development, rose from Skr756m to Skr771m.