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Doing so may minimize the losses that investors who trade during regular hours get hit with. Investors who have access to electronic trading can make extended hours trading in cases like these. But that has changed with the online trading industry.Ĭompanies often make big announcements before the markets open or after the market closes to avoid knee-jerk impacts on their stock prices. What is After-Hours Trading and Pre-Market Trading?Īlso called Extended Hours Trading, these additional hours are typically limited to electronic communication networks.Įxtended Hours Trading used to be available for institutional traders only. Now, you might be wondering what After-Hours trading and Pre-Market trading are. Eastern Time (can occasionally open as early as 4:00 a.m. Pre-Market Trading: Monday through Friday, 6:30 a.m.Eastern Time (can sometimes close as late as 8 p.m.
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