Cramer's lightning round: AT&T's cash flow could get a boost

• It's that time again! "Mad Money" host Jim Cramer rang the lightning round bell, which means he gave his take on callers' favorite stocks at rapid speed.

AT&T: "I like it. Cash flow's going to increase if they get the Time Warner deal done."

Duke Energy Corp: "Duke's fine. I prefer Dominion and I prefer ConEd and I also prefer American Electric Power."

XPO Logistics: "I keep waiting for the stock to go back to $90 so we can get back in for ActionAlerts. What a horse that is."

Alarm.com Holdings: "No. I've got too many home systems coming in. I don't want to touch them. But if they feel differently, they should come on the show."

Watch the full lightning round here:

Disclosure: Cramer's charitable trust owns shares of XPO Logistics.

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