Interesting Snippets from 2012-05-28

• The Intelligent Investor: Could Computers Protect the Market From Computers? - WSJ.com

  Ten or 15 years ago, most U.S. stocks changed hands on either the New York Stock Exchange or the Nasdaq market. Today, stocks fly across dozens of different exchanges and alternative trading facilities. A trade can be executed in less than 200 millionths of a second—about 1,500 times faster than you can blink your eye. During Facebook's first day of trading, more than 570 million shares turned over—or 10% more than the average daily volume of all NYSE stocks combined in 1997.

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