In earlier research, Greenwich asked investors how they choose a top-tier bank, and 18% of respondents said technology services like execution algorithms and analytics were a factor. Breakthroughs in artificial intelligence, machine learning and the ability to mine huge pools of data have radically changed investing, McPartland said. The E*Trade deal, announced Thursday, helps Morgan Stanley add clients who are less wealthy than its traditional customers, but a state-of-the-art platform for investors was another draw. Morgan Stanley Chief Executive Officer James Gorman cited E*Trade's "innovation in technology" as a reason for the acquisition, according to a statement.
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