The New York Stock Exchange reported there were no computer glitches in its systems Thursday. Separately, Nasdaq said it was working with other major markets to review the market activity that occurred between 2:00 p.m. and 3:00 p.m. A human trading error at a major firm was the root cause of Thursday#39;s sudden, 9 percent selloff in U.S. stocks, sources told CNBC. Multiple sources said a trader entered the letter “b”-as in “billion”-when he or she meant to type “m,” for “million,” shortly
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Trading error market plunge
