When stocks move with unusual volume, it can signal insider buying and selling.
Here's a technical look at how to trade a number of stocks rising with unusual volume flow.
Donald Trump's tweet knocking Nordstrom coincided with the company's stock's best and most-traded day of the year.
The president-elect added Lockheed Martin to his long list of Twitter targets. So far the stock impact has been short-lived, but other potential targets are on the horizon
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