High-Frequency Trading Grows, Shrouded in Secrecy
• TimeThe Securities & Exchange Commission (SEC), concerned about the exponential growth of hyper-frequency trading, announced on Tuesday, Aug. 4, that it was considering a ban on one form of this activity, known as flash trading. But it has said nothing about an even bigger element of high-frequency trading, known as co-location, even as the New York Stock Exchange (NYSE) is building two new facilities to house such traders.



