Aixtron Aktiengesellschaft : Buy AIXG, Cramer said.
Martek Biosciences : Sell MATK, Cramer said.
Valmont Industries : Cramer said he likes the company, but cautioned potential buyers that the stock “trades badly,” meaning it can drop suddenly. He recommended using such a decline to buy VMI.
Call Cramer: 1-800-743-CNBC
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