SEC circuit breakers

    By Danny King

    | 8:00PM 11/08/2010
    Additional changes to prevent another "flash crash" are on the way, the U.S. Securities and Exchange Commission said Monday. Among other things, the commission may tinker with the circuit breakers it set up to automatically halt trading if a stock falls 10% in five minutes.

    By Dawn Kawamoto

    | 2:05PM 7/29/2010
    Trading in Cisco Systems shares was briefly halted in late morning trading Thursday, as the shares soared 10% within a few minutes, triggering the market's SEC-mandated cooling-off circuit breakers.