A trading glitch Wednesday morning led to some puzzling stock movements on Wall Street, prompting reviews by the New York Stock Exchange and securities regulators.
“Irregular trading” in 148 stocks led the exchange to review activity after the opening bell, the exchange’s operator, NYSE Euronext, said in a statement….
The issues appear to stem from a “technology issue” at Knight Capital Group, a major Wall Street brokerage firm based in Jersey City, N.J.