Cramer's 'Mad Money Lightning Round': Lock Into Lockheed Martin

To see the full "Mad Money" Recap, please click here.

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Here's what Jim Cramer had to say about some of the stocks that callers offered up during the "Mad Money Lightning Round" Wednesday evening:

Nvidia (NVDA Quote): "We want to own Nvidia. ... Fastest gaming chips, the best ones. You buy some. If it comes in, you buy some more. ... Nvidia is two thumbs up."

Dynegy (DYN Quote): "Reports this week. ... We like Dynegy as an asset play, not as an earnings play. We think that the power plants are worth a lot more than they're selling for. ...We like [CEO] Bruce Williamson."

Spectranetics (SPNC Quote): "Medical device company that I like. ... That group is hot. ... There are so many that are still down, but [Spectranetics] is a good, quality company."

Perfect World (PWRD Quote): "If I'm gonna do China, I'm gonna do China Tel (CHA Quote) and Baidu (BIDU Quote), and everything else, I'm letting some other guy handle it."

Nymex (NMX Quote): "Very valuable institution that I believe somebody would buy. ... Earnings are unbelievable. ... I wanna own your stock. The fact that it was up really big today is not enough to make me feel like we should ring the register yet."

Teck Cominco (TCK Quote): "A lot of the resource stocks have come down. I like the stock very much."