CDW Corp. CDW stock is up 0.4% in premarket trades after the stock briefly fell 96%, prompting the New York Stock Exchange to review potential trading errors in the information technology company, Reuters reported. The NYSE said it’s busting trades of CDW between 4 a.m. Eastern Time and 4:22 Eastern Time, at or below a price of $162.85 a share, according to the report. The NYSE press office did not reply to an email.

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