Traditional market hours, from 9:30 a.m. to 4:00 p.m., are becoming increasingly irrelevant as technology connects investors across the globe at all hours of the day and night. Twenty-four-hour ...

・Trading hours would expand to 23 hours a day, five days a week, with a new overnight session. ・Other exchanges and brokerages are also pushing toward extended-hours stock trading. ・Nasdaq warns ...