The financial markets have been in turmoil, but the operators of those markets and many players in them aren’t discouraged — when it comes to their technology, that is. With virtual unanimity, the financial technology innovators on Institutional Investor ’s ninth annual Online Finance 30 list, led by CEOs Duncan Niederauer of NYSE Euronext and Robert Greifeld of Nasdaq OMX Group, say that their systems and automation initiatives are too critical to put on hold. In fact, these archrivals are on common ground, each viewing his business as, in Niederauer’s words, "a technology company that also happens to be a ...