Stock trading is no longer limited to the traditional market hours of 9:30 a.m. to 4:00 p.m. ET, with some brokers now offering 24-hour trading options. Pre-market trading typically runs from 4:00 a.m ...

What investors need to know about the rules for continuous markets Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed various community and nonprofit organizations.