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By Irene Aldridge Many investors are rightfully concerned about market manipulation — after all, who wants to be taken for a ride? High-frequency market manipulation proved to be particularly disconcerting to many investors as it is evolutionary, difficult to detect without appropriate tools, and is still not universally understood. Adding even more complexity to investor decision-making is the explosion of various types of exchanges and other alternative trading venues, some known as dark pools. As my latest research shows, however, certain types of trading venues can be more suited to specific classes of investors. Investors may further select to trade on venues that minimize undesiredRead More →

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By Irene Aldridge Present economic conditions leave much to be desired: Europe is trying to resolve its debt problems, and the U.S. has seen much better times in terms of employment rates and consumer confidence. Against this backdrop of economic calamities, the financial markets are experiencing high volatility, seesawing up and down, gaining and losing in excess of 3% on a given day. Whether the current volatility is without a precedent, however, is up for a debate and depends on how volatility is measured. The most common way to assess volatility is via standard deviation, a square root of the average of squared deviations ofRead More →