High-frequency trading was not to blame for the epic May 6 stock market crash, and regulators shouldn't hamper high-frequency traders' ability to bring liquidity to the marketplace, CNBC host Larry Kudlow argued during a presentation at the annual SIFMA Financial Services Technology Expo in June.rnHigh-frequency traders, who trade millions of shares a day using sophisticated computers and complex algorithms, once again have garnered negative attention, this time following the historic market crash in which stocks briefly lost nearly $1 trillion in value in less than a half-hour. But the crash was precipitated by fears that the Greek debt crisis would spill into the rest of Europe, ultimately jeopardizing the already fragile U.S. recovery, explained Kudlow, CEO of economic and investment research firm Kudlow & Co.
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