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Lightning Round OT: CareFusion, Arena Pharmaceuticals and More

CareFusion : Cramer worries that the government may get involved with home health care and recommends staying away from this stock.

Arena Pharmaceutical : This company has the best experimental drug used to fight obesity, Cramer said. He likes Arena as a speculative play.

Xyratex : Kanika in North Carolina wondered that in spite of good earnings and guidance in the last three quarters, why this stock has taken a beating? Cramer decided to do some research and comment on this stock at a later date.

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    Jim Cramer is host of CNBC's "Mad Money" and co-anchor of the 9 a.m. ET hour of CNBC's "Squawk on the Street."

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