5 Stocks Rising on Monster Volume

NEW YORK ( Stockpickr) -- Professional traders don't just look at a stock's price moves; they also look for big changes in volume.

Major moves in volume can signal unusual activity, such as insider buying or selling -- or buying or selling by "superinvestors." Unusual volume can also be a major signal that hedge funds and momentum traders are piling into a stock ahead of a catalyst.

>>5 Big Stocks to Trade for Gains

With that in mind, let's take a look at several stocks rising on unusual volume today.

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