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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:

Boeing ( BA) : "It's two thumbs up, way up." Cramer said that Allegheny Technologies ( ATI), Precision Castparts ( PCP) and United Technologies ( UTX) all have shown that aerospace is strong.

Valero Energy ( VLO): "I don't think Valero is going to do much. It's up 3 bucks, down 3 bucks." Cramer offered Transocean ( RIG) and Halliburton ( HAL) instead, both of which he owns for his Action Alerts PLUS charitable trust.

NYSE Group ( NYX): "Bear case says there's gonna be a massive lockup-expiration of 20 million shares. ... My canvass of the stock which Cramer owns for Action Alerts PLUS tells me that none of the big holders are gonna sell." Cramer reiterated his $200 price target. "Those who doubt me, take a look at Goldman 'Slacks' ( GS)."

SunOpta ( STKL): "Swapping out of SunOpta and going into Hain ( HAIN)."

Georgia Gulf ( GGC): "They don't realize that this is really a PVC play, which goes into housing. ... Swap out of yours and go into U.S. Gyp ( USG)."

Level 3 Communications ( LVLT): "This stock has had a miraculous run ... this is one of my growth stocks that are speculative for the year. I reiterate my buy. ... If it ever goes below 6, you back up the truck*."

Pfizer ( PFE): "Dead money." Cramer said he "would vastly prefer" Schering ( SGP) or J&J ( JNJ) ... Amgen ( AMGN) or Genentech ( DNA). "Keep selling the Pfizer. It's like owning a bond, only a little less exciting."

Republic Services ( RSG): "That stock is selling literally at twice its growth rate. ... I want you to sell that one and look at American Ecology ( ECOL)."

Unilever ( UN): "I have been watching this stock creep up. Why didn't I recommend it? ... I have missed Unilever. My bad. Is it too late to get in? Noooooo. BuyBuyBuy."

Rackable Systems ( RACK): "I think it's way overdone the selling ... way too low. ... Wait to the summer, you'll catch a bounce. You stick with Rackable."

eBay ( EBAY): "Tonight is the night that eBay has turned around. ... Dec. 7 of last year I said that eBay was done going down. ... I think the stock's going higher. You are not selling eBay."

*For all you home-gamers, a 'mon-back opportunity means Cramer would back up the figurative truck and load up on a stock.

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At the time of publication, Cramer was long Halliburton, Johnson & Johnson, NYSE Group and Transocean.

Jim Cramer, host of the CNBC television program "Mad Money," is a Markets Commentator for, Inc., and CNBC, and a director and co-founder of All opinions expressed by Mr. Cramer on "Mad Money" are his own and do not reflect the opinions of or its affiliates, or CNBC, NBC UNIVERSAL or their parent company or affiliates. Mr. Cramer's opinions are based upon information he considers to be reliable, but neither, nor CNBC, nor either of their affiliates and/or subsidiaries warrant its completeness or accuracy, and it should not be relied upon as such. Mr. Cramer's statements are based on his opinions at the time statements are made, and are subject to change without notice. No part of Mr. Cramer's compensation from CNBC or is related to the specific opinions expressed by him on "Mad Money."

None of the information contained in "Mad Money" constitutes a recommendation by Mr. Cramer, or CNBC that any particular security, portfolio of securities, transaction, or investment strategy is suitable for any specific person. You must make your own independent decisions regarding any security, portfolio of securities, transaction, or investment strategy mentioned on the program. Mr. Cramer's past results are not necessarily indicative of future performance. Neither Mr. Cramer, nor, nor CNBC guarantees any specific outcome or profit, and you should be aware of the real risk of loss in following any strategy or investments discussed on the program. The strategy or investments discussed may fluctuate in price or value and you may get back less than you invested. Before acting on any information contained in the program, you should consider whether it is suitable for your particular circumstances and strongly consider seeking advice from your own financial or investment adviser.

Some of the stocks mentioned by Mr. Cramer on "Mad Money" are held in Mr. Cramer's Action Alerts PLUS Portfolio. When that is the case, appropriate disclosure is made on the program and in the "Mad Money" recap available on The Action Alerts PLUS Portfolio contains all of Mr. Cramer's personal investments in publicly-traded equity securities only, and does not include any mutual fund holdings or other institutionally managed assets, private equity investments, or his holdings in, Inc. Since March 2005, the Action Alerts PLUS Portfolio has been held by a Trust, the realized profits from which have been pledged to charity. Mr. Cramer retains full investment discretion with respect to all securities contained in the Trust. Mr. Cramer is subject to certain trading restrictions, and must hold all securities in the Action Alerts PLUS Portfolio for at least one month, and is not permitted to buy or sell any security he has spoken about on television or on his radio program for five days following the broadcast.