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
Questions for Cramer? email@example.com
Questions, comments, suggestions for the Mad Money website? firstname.lastname@example.org