The stock market has regular trading hours, open for regular trading between 9:30 a.m. and 4 p.m. Monday - Friday. The stock market is also open for business before and after regular trading hours. Pre- market trading allows investors to buy and sell stocks between 4 a.m. and 9:30 a.m. Post-market trading allows investors to buy and sell stocks between 4 p.m. and 8 p.m.
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