Cramer's 'Mad Money Lightning Round': Rio Doce Is Grande

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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" Monday evening:

Circuit City: "This is not the best of breed company, even though it is tempting..."

UnitedHealth Group: "Maybe in one of the most bearish slides I have ever seen. ... But I can't avoid the fact that it's selling at 16 times earnings. ... I'm doing a 'mon back*. "

SanDisk: "I fear that a lot of new capacity is going to be coming on. ... I fear that the tightness of supply is going to vanish. SellSellSell."

"NightHawk like UnitedHealth ... falling prey to what I regard as a vicious rotation" into oil, gas, minerals and Goldman, Bear Stearns and Lehman."

Brocade: "... Has gone from 3.50 to 7 ... we have to expect that some guys at 7 are going to ring the register. ... I think it's a normal pullback. ... Let it settle."

Marvell Technology: "Having a great quarter. ... right now we are in the most vicious part of the rotation. The money "is coming out of tech and health care. ... let Marvel come in a bit before we do any buying."

NL Industries: "Been hit by a quadruple whammy of different things ... terrible decision in Rhode Island on lead paint ... . there's an actual glut of titanium oxide stocks out there."

"Juniper having a good quarter. ... that business, which is the big-time router business, is good. ... One thumb up [for Juniper]; two thumbs up for Cisco."

National Beverage: "Has the possibility of pulling back here. ... Wait until it comes in more to buy it. I still like the story."

Rio Doce: "One of the best moves I've seen. ... Alcoa reported a blowout number after the close," which Cramer sees as a plus for Rio. ... "I'd buy the stock [Rio]."

Corning: "Falling victim to the rotation into minerals. I like the stock but only one thumb up until the rotation is over."

Lightning Round

Cramer was bullish on Best Buy(BBY Quote), UnitedHealth(UNH Quote), NightHawk Radiology(NHWK Quote), Brocade Communications Systems(BRCD Quote), Marvell Technology(MRVL Quote), Juniper Networks(JNPR Quote), Cisco(CSCO Quote), Finisar(FNSR Quote), Companhia Vale do Rio Doce(RIO Quote) and Corning(GLW Quote).

Cramer was bearish on Circuit City(CC Quote), SanDisk(SNDK Quote), NL Industries(NL Quote) and National Beverage(FIZ Quote).

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

Want more Cramer? Check out Jim's rules and commandments for investing from his latest book by clicking here.