In the past six months, the reference data market has seen a number of mergers, starting with Asset Control buying TAP Solutions and Interactive Data buying the corporate actions data part of Xcitek. The data vendor consolidation has further continued with Telekurs purchasing Fininfo and the proposed merger between Reuters and Thomson.

But despite this being a sign of a maturing industry, it seems to be causing concern among users. At the FISD's World Financial Information Conference in Rhode Isl