During Tuesday's Mad Money Lightning Round on CNBC, Jim Cramer didn't mince words about Dorman Products, Inc. (DORM). His recommendation? Stay away. "The only thing worse than housing is cars," he explained, painting a pretty bleak picture for the auto parts distributor.

The timing is interesting. Dorman just reported mixed quarterly results on October 27. The company beat earnings expectations with $2.62 per share versus the $2.50 consensus, but missed on revenue with $543.736 million compared to analyst estimates of $551.033 million. Beating on earnings while missing on sales often signals margin improvement, but in weak end markets, that's not always enough to get excited about.

When viewers asked about CoreWeave, Inc. (CRWV), Cramer offered measured enthusiasm. "There are better places to play the data center, but it's doing very, very well," he said. The AI infrastructure company has been on a roll, recently pricing a massive $2.25 billion convertible note offering on December 9. That's the kind of capital raise that signals serious growth ambitions.

As for Alaska Air Group, Inc. (ALK), Cramer called it a "trading vehicle only." The airline cut its fourth-quarter earnings outlook on December 3, citing a laundry list of temporary headwinds including an IT outage, lost revenue from a government shutdown, higher fuel costs, and an increased book tax rate. Not exactly the foundation for a long-term investment thesis.

Price Action:

• Dorman Products shares fell 0.8% to settle at $123.77 on Tuesday.
• CoreWeave shares gained 5.1% to close at $90.66.
• Alaska Air shares rose 0.2% to settle at $49.54 on Tuesday.