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Lightning Round: Knight Capital, Potash, CPFL Energia and More

Knight Capital Group : Don’t buy NITE until CEO Thomas Joyce appears on Mad Money, Cramer said, to explain his stock’s poor performance.

Potash : “The fundamentals have gone bad,” Cramer said, but “the stock’s going higher. Something’s going on. I don’t understand it. Maybe we’ll find out six months from now.”

Companhia Paranaense de Energia :CPFL Energia is a better pick, Cramer said.

China Fire & Security Group : Don’t buy CFSG. “It’s too speculative for me,” Cramer said.

Aracruz Celulose : Buy ARA, Cramer said.

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