Glitch causes big swings in some stocks

August 1, 2012 by PALLAVI GOGOI

A technical glitch at a major processor of stock trades caused wild swings in a number of stocks.

Some stocks moved dramatically shortly after the opening of trading on Wednesday. Wizzard Software, which closed Tuesday night at $3.50, shot above $14 in the first minutes of trading, according to data compiled by FactSet.

The glitch occurred at Knight Capital, one of the largest processors of . The company said in a statement that a "technology issue" had occurred in its market-making unit related to the routing of shares of about 150 stocks to the .

Knight told its clients to send their orders away from its system and said it was reviewing the issue.

Knight's stock plunged $2.46, or 24 percent, to $7.87.

Explore further: Buying the same stock -- again: Pride and regret drive investors' decisions

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