It is the ability it gives a few large firms to control the market for short periods of time, sucking investors into positions, or driving them out, not based on careful thought or analysis, but in emotional reaction to a sudden temporary intraday rally created by a wave of buy programs, or a sudden intraday decline created by a wave of sell programs.
Many of the fundamental forces driving the business of gathering and distributing security price data and financial news and analysis have remained the same for decades.
CIOs could use this big opportunity to demonstrate leadership that is based on deep experience with and understanding of what data, big or small, is all about its management, its analysis, and its use in the service of innovation, the driving force of any enterprise.