Market maker Knight Capital incorrectly sent orders for 150 symbols to the New York Stock Exchange at the outset of trading Wednesday, due to a technology malfunction. The stocks affected included General Electric, Citigroup, Ford Motor, Alcoa and Nokia.
A statement from Knight said "An initial review by Knight indicates that a technology issue occurred in the company’s market-making unit related to the routing of shares of approximately 150 stocks to the NYSE. Knight notified its market-making clients this morning to route listed orders away. The company’s OTC securities and trading in its other businesses are not affected. The company continues to review internally."
NYSE has cancelled trades in the following six symbols:
- WZE at or above USD4.68
- CO at or above USD3.22
- UTG RT at or below USD0.0497
- EJ at or below USD3.3
- 6ARC at or above USD5.71
- KWK at or above USD5.91