UPDATE 6-U.S. stock markets closed as storm hobbles New York
Published: Monday, 29 Oct 2012 | 5:11 AM ET
By: John McCrank and Caroline Humer
*Stock, options markets shutting down Monday. NEW YORK, Oct 28- U.S. stock and options markets will be closed on Monday, and possibly Tuesday, as regulators, exchanges and brokers worry about the integrity of markets and the safety of employees in the face of Hurricane Sandy.