With High-Speed Trading, the Market Cannot Hold: Mark Buchanan

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Oct. 5 (Bloomberg) -- Last year, when the U.S. Securitiesand Exchange Commission came out with its final report on theflash crash, the stomach-churning event of May 6, 2010, thatwiped $1 trillion of value from the markets in less than 30minutes, it never managed to explain why the episode happened.

A large trade of stock futures by a Kansas firm had sparkedit, the report said, and it detailed the ensuing chain ofevents, without offering much insight into why such a tumult waspossible.