'I Say, Thumbs Up': Jim Cramer On This Stock Up 25% Over Last Month

On CNBC’s "Mad Money Lightning Round," Jim Cramer recommended holding RPC Inc (NYSE: RES).

When asked about Li Auto Inc (NASDAQ:LI), Cramer said Tesla’s CEO Elon Musk likes the Chinese automakers. "Who am I to go against the smartest man in the world?"

Cramer said "thumbs up" to MP Materials Corp (NYSE:MP).

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When asked about Marvell Technology Inc (NASDAQ:MRVL), Cramer said, "You don’t want to buy until it reports. After it reports, we’re going to take a solid look at it."

When asked about Southern Co (NYSE:SO), he said, "I’m going to bless the idea."

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