Buy Costco ( COST), Jim Cramer said Wednesday on CNBC's Stop Trading! segment.

Cramer said the warehouse retailer is uniquely attractive to shoppers because it's an ever-changing experience. "They have an exciting thing," he said. "They made it so you can't regard it as a Wal-Mart ( WMT) or a Target ( TGT)."

(To watch Jim Cramer discuss the beauty of Costco with TheStreet.com TV's Farnoosh Torabi, click here.)

Cramer likes Gap ( GPS) because of the incentives set up for new management.

Cramer still likes refiners Valero ( VLO), Chevron ( CVX) and Conoco ( COP) despite recent warnings by Valero and Chevron, because he says recent weeks have seen refining margins "explode."

At the time of publication, Cramer was long Conoco.

Jim Cramer is a director and co-founder of TheStreet.com. He contributes daily market commentary for TheStreet.com's sites and serves as an adviser to the company's CEO. Outside contributing columnists for TheStreet.com and RealMoney.com, including Cramer, may, from time to time, write about stocks in which they have a position. In such cases, appropriate disclosure is made. To see his personal portfolio and find out what trades Cramer will make before he makes them, sign up for Action Alerts PLUS. Watch Cramer on "Mad Money" weeknights on CNBC. Click here to order Cramer's latest book, "Mad Money: Watch TV, Get Rich," click here to order his book, "Real Money: Sane Investing in an Insane World," click here to get his second book, "You Got Screwed!" and click here to order Cramer's autobiography, "Confessions of a Street Addict." While he cannot provide personalized investment advice or recommendations, he invites you to send comments on his column by clicking here.

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