It's that time again! Jim Cramer rang the lightning round bell, which means he gave his take on caller favorite stocks at rapid speed:

Sirius XM: "I've liked this because it's a play on both new and used cars. That's how you have to look at it. It's on car sales. That's why Sirius satellite is a buy."

Walgreens Boots Alliance: "Yes, I think that Walgreens is such a buy at $81 ... I figure if the Rite-Aid deal goes away, the stock goes up. If they close the deal, the stock goes up. I like those situations."

Inovio Pharmaceuticals: "These are vaccines. We have had mixed success with vaccine stocks. A mixed success, but we welcome them on the show to find out a little more."

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SolarCity or GW Pharmaceuticals: "These are both incredibly speculative names. SolarCity, I don't really like the balance sheet. GW Pharma is kind of played out because the good news came out already. That said, I do like GW Pharma long term because the pure play on marijuana and I think it is a great way to be able to have a painkiller that may not be addictive."

GoPro: "It's down to $11. There is a still a lot of bad money in GoPro. I had enough trouble with the Fitbit recommendation, I can't go down to GoPro. It's just too hard."

Express Scripts Holding: "We got a sell call again yesterday because they are fighting with Anthem that is a deal that is a health insurer. This stock doesn't seem to want to come down. I am nervous about it because I am worried about the fight with Anthem, but I don't want to buy it or sell it at the $70 level. At the $65, yes. At the $75, sell."

Inc Research Holdings: "I love these contract research organizations. I have been saying that you should own Quintiles, but you are in a very, very good one and I don't think you should take profits. I like that business."

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