On CNBC's “Mad Money Lightning Round,” Jim Cramer described Quanta Services ( PWR ) as “so good” and a “terrific” company.

On May 2, Quanta Services ( PWR ) posted better-than-expected quarterly results.

“I think that the cycle could be turning against them,” Cramer said about CVR Energy, Inc ( CVI ). . “Let's be very careful, CVR.”

On April 29, CVR Energy ( CVI ) posted weaker-than-expected results for its first quarter.

Nutanix, Inc ( NTNX ). is a “perfect enterprise software company for the moment because it's cloud enterprise software, and that's what people want,” Cramer said. “It's very expensive, but it's going to keep going higher.”

San Jose, California-based Nutanix ( NTNX ) is expected to report its financial results for the third quarter of fiscal year 2024, after the closing bell on Wednesday, May 29.

When asked about Agnico Eagle Mines ( AEM ) , Cramer said he likes gold. On April 25, Agnico Eagle Mines ( AEM ) reported better-than-expected first-quarter financial results.

Altimmune, Inc ( ALT ). is “not bad that it's spec,” Cramer said. “I'm literally saying it's one of those situations because it's not making any money and losing a lot of money, that you have to expect the fact that if one of its drugs fails, it is going to get hit.”

Altimmune ( ALT ) is scheduled to report its first quarter 2024 financial results on Thursday, May 9.

Price Action:

Agnico Eagle Mines ( AEM ) shares gained 1.7% to settle at $66.13 on Monday.

Nutanix ( NTNX ) shares gained 4.3% to close at $64.93.

Altimmune ( ALT ) shares gained 0.8% to settle at $7.36.

CVR Energy ( CVI ) shares rose 0.4% to close at $29.61 on Monday.

Quanta Services ( PWR ) shares gained 5.1% to settle at $269.50 on Monday.

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