Why FireEye (FEYE) Stock Is Climbing In Pre-Market Trading Today.

NEW YORK (TheStreet) -- FireEye (FEYE) shares are climbing, up 2.6% to $33.13 in pre-market trading, after being upgraded to "overweight" from "equal weight" by analysts at Barclays  (BCS).

The firm made a valuation call, citing the recent pullback on the company's stock as a reason for the upgrade, while setting a $40 price target on the company's shares.

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