Lightning Round: Rio Tinto, ExactTarget, Cummins and More

Rio Tinto : This metals company's stock is not as cheap as Vale , Cramer said.

ExactTarget : This technology company's stock is a buy, Cramer said.

VirnetX : This is a great speculative play, Cramer said. He suggests using deep-in-the-money options six to seven months out.

Cummins : The "Mad Money" host continues to like this engine maker's stock, even though it's recently made a run higher.

JDS Uniphase : Cramer can't get behind this tech company's stock right now.

Frontline : Rather than play this stock, Cramer suggests Nordic American Tanker instead.

Allot Communications : This stock can go higher, Cramer surmised.

Call Cramer: 1-800-743-CNBC

Questions for Cramer?

Questions, comments, suggestions for the Mad Money website?