Photographer: Chris Ratcliffe/Bloomberg

High-Speed Traders Abandon Microwaves in Korea on Exchange Snub

  • Bourse says high-speed technology may violate market fairness
  • HFTs could take advantage of time gap on derivatives venue

South Korea’s exchange is renewing its push to rid the country of a technology used by high-speed trading firms in the world’s biggest stock markets, arguing that it’s unfair.

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