* Regular trading hours: 9:30 a.m. to 4:00 p.m.
* Pre-market trading hours: 4:00 a.m. to 9:30 a.m.
* After-market trading hours: 4:00 p.m. to 8:00 p.m.
Please note that these are the standard trading hours for the New York Stock Exchange (NYSE) and the Nasdaq Stock Market. Other exchanges may have different trading hours.