Investors may trade in the Pre-Market (4:00-9:30 a.m. ET) and the After Hours Market (4:00-8:00 p.m. ET). Participation from Market Makers and ECNs is strictly voluntary and as a result ...

Jamie Johnson is a Kansas City-based freelance writer. Her work has been featured on several of the top finance and business sites in the country, including Insider, USA Today, Bankrate, Rocket ...