Extended Trading

Extended trading on Nasdaq.com refers to the Pre-Market activity shown on the site from 4:15 - 9:30 AM (actual trading starts at 4:00 AM EST) every trading day and the After-Hours activity shown on the site from 4:15 - 6:30 PM every trading day (actual trading starts at 4:00 PM EST).

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What are Stocks?
Ownership of a corporation indicated by shares, which represent a piece of the corporation's assets and earnings.