Aretex Capital Partners-backed Alerian, an independent information services company providing indexes, data and research to global investors, completed the acquisition of S-Network Global Indexes, a publisher and developer of over 300 proprietary and custom indexes. Financial terms were not disclosed. "We are thrilled to support Alerian’s growth initiatives and believe that this transaction is an important step to expand Alerian’s leadership in the index sector," Andrew Feller, Aretex Capital Managing Partner.