Volume is the number of shares of a stock that have changed hands over a certain period of time, typically one day. Stocks with higher volumes have more investors interested in buying or selling them.

・Stock volume measures how many shares change hands over a given time frame. ・High volume typically signals strong liquidity and tighter bid-ask spreads. ・Low volume can lead to wider spreads, sharper ...

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The BBC has found a pattern of spikes in trades ahead of public announcements by the US president.