Definition of "high-frequency" []

• Of or pertaining to high frequency sound or other radiation (adjective)

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• "He called high-frequency traders "the natural enemy" of big investors like hedge funds and mutual funds."
• "Half of a thousandth of a second may not matter to some, but it can mean the difference between a profit and a loss to the many traders engaging in so-called high-frequency trading, which often measures time in the microsecond--one millionth of a second."
• "A third major challenge for the SEC involves the rise of so-called high-frequency trading, in which investment firms use powerful computers to detect razor-thin market inefficiencies and then take advantage of them by trading large volumes of shares in mere milliseconds, the report says."