A "handful of firms" have urged the Depository Trust & Clearing Corp. - clearinghouse for...

|By:, SA News Editor

A "handful of firms" have urged the Depository Trust & Clearing Corp. - clearinghouse for virtually all U.S. stock trading - to act as a marketwide watchdog guarding against computer-driven chaos. Both authorities and high-frequency traders have apparently called for limits that would prevent a malfunctioning algorithm from acquiring a massive position.