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Editor's Note: The following are questions received from listeners of "RealMoney Radio." To send Cramer a question about topics from his radio show, click here. Listen to Cramer's latest radio show by clicking here.

Are there any companies that will benefit from the damage to the oil rigs in the Gulf of Mexico?-- Benny from Maryland

James J. Cramer:

One name to look at is

National Oilwell Varco

(NOV) - Get NOV Inc. Report

, which makes oil rig equipment and components. There are a lot of damaged rigs in the Gulf of Mexico right now, and I imagine that National Oilwell will be very busy getting those rigs up and running again.

Jim, do you like Wal-Mart (WMT) - Get Walmart Inc. Report?-- Gert from Miami

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TheStreet Recommends

James J. Cramer:

I remain a Wal-Mart bear. Wal-Mart's enormous size and lower-income customer base leave it very susceptible to high gasoline prices and any potential economic weakness. Right now, I believe that the best retail plays are on the high-end, luxury side, like


(JWN) - Get Nordstrom, Inc. Report




. Their customers could pay even $10 a gallon for gas and still have plenty of money left over for shopping.