On CNBC’s "Mad Money Lightning Round," Jim Cramer said Waste Management Inc (NYSE:WM) is the "bull’s bull."

Cramer said Clean Energy Fuels Corp (NASDAQ:CLNE) had a nice move. "It’s time to skedaddle," he added.

The "Mad Money" host said SIGA Technologies Inc (NASDAQ:SIGA) is "too hot for this guy."

Jim Cramer recommended selling Rivian Automotive Inc (NASDAQ:RIVN) as the stock is "up too much."

Price Action: Shares of Waste Management rose 0.3% to close at $175.29 on Wednesday, while Clean Energy Fuels declined 2.2% to $7.52. SIGA Technologies shares rose 1.9%, while Rivian Automotive dropped 4.7% on Wednesday.

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Photo courtesy of Rivian.