Over the last twenty years or so, progress in Information Technology (IT) has made it much easier and cheaper for individual investors to trade in financial markets. Most of this trend has been driven by the growth in the ability of individual investors to trade on Internet platforms; whereas, in the past they would have to initiate trades by telephone or in writing. If overconfidence is a substantial behavioral bias among individual investors, do you think this technological trend has increased or decreased the investment returns of individual investors? Why?