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NEW YORK ( TheStreet) -- Here are some of the hot stocks Jim Cramer talked about on Wednesday's "Mad Money" on CNBC:

Caterpillar ( CAT) versus ConAgra ( CAG): Cramer said he'd invest in ConAgra shares until Caterpillar is done falling, then swap into CAT as the demand for mining and material equipment begins to improve.

Magnum Hunter Resources ( MHR): Cramer admitted he was wrong to recommend this oil and gas producer last year, but with liquidity issues now off the table it's time to buy in at dramatically lower prices.

Isis Pharmaceuticals ( ISIS), Alnylam Pharmaceuticals ( ALNY) and Sangamo BioSciences ( SGMO): Investors looking for highly speculative biotech stocks should look no further than these three gene therapy companies.

Kimco Realty ( KIM): Retail REITs continue to deliver for shareholders, said Cramer, and Kimco remains one of the best stories out there. To read a full recap of "Mad Money" on CNBC, click here. To sign up for Jim Cramer's free Booyah! newsletter with all of his latest articles and videos please click here. To watch replays of Cramer's video segments, visit the Mad Money page on CNBC. -- Written by Scott Rutt in Washington, D.C. To email Scott about this article, click here: Scott Rutt Follow Scott on Twitter @ScottRutt or get updates on Facebook, ScottRuttDC