As exchanges and brokers weigh a move toward round-the-clock stock trading, a growing chorus warns that the cure may worsen ...

Nasdaq Inc. on Friday announced the most ambitious plan yet by a major U.S. exchange operator to allow stocks to be traded around the clock.

INDIANAPOLIS -- It's known nationwide for rolling back prices. Now Wal-Mart is rolling back something else: its hours. At select locations in markets across the United States, the nation's largest ...