NEW YORK, New York - U.S. stocks closed marginally lower as traders returned to their desks Monday following the Thanksgiving weekend.
"A consumer slowdown would probably be a catalyst for the market because it would help substantiate the the basis for the rally," Quincy Krosby, chief global strategist at LPL Financial told CNBC Monday. "This market has been a beneficiary of a strong underpinning, a strong a conf
