Cramer's lightning round: Cisco is going higher

• It's that time again! "Mad Money" host Jim Cramer rings the lightning round bell, which means he's giving his answers to callers' stock questions at rapid speed.

Cisco Systems: "I think Cisco's going higher. I think that they finally got to the enterprise and it's going to just roar."

AT&T: Sell

Ruth's Hospitality Group: "I think you've got horse sense, my friend. I would be a buyer. I think it's one of the survivors. I think it moves."

Graphic Packaging: "Too commodity, my friend. No."

Fuelcell Energy: "We're going to stay away. Too speculative at this moment. There are other better fish to fry in that neighborhood."

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