On CNBC's “Mad Money Lightning Round,” Jim Cramer recommended buying RTX Corp (NYSE:RTX), saying it is a “monster” right here.



“It's down a lot. It makes no sense,” he added. “It's because there's not enough aircraft servicing, because people feel that people aren't going to fly anymore. Wrong!”



RTX, on April 30, raised its quarterly dividend from 68 cents to 73 cents per share.



Aurora Innovation, Inc. (NASDAQ:AUR) is a “worthy” spec, Cramer said. “I'm not sure when they can ever make any money, but I'm going to go with you because I like the spec nature of it.”



The company, on April 30, announced expansion of its strategic partnership with Hirschbach Motor Lines, including a plan for the carrier to own 500 Aurora Driver-powered trucks.



Cramer said Amprius Technologies, Inc. (NYSE:AMPX) is “a storage spec, and it makes a lot of sense.”



Fremont, California-based Amprius will hold a conference call on Thursday, May 7 to discuss first-quarter financial results. Analysts expect the lithium-ion battery maker to report a quarterly loss at 2 cents per share on revenue of $25.72 million.



Price Action:



<ul>
<li>Aurora Innovation shares gained 4.3% to settle at $6.13 on Friday.</li>



<li>RTX shares fell 1.2% to close at $173.99.</li>



<li>Amprius Technologies shares fell 0.9% to settle at $20.87 on Friday.</li>
</ul>



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On CNBC's "Mad Money Lightning Round," Jim Cramer recommended buying RTX Corp (NYSE:RTX), calling it a "monster" due to its recent price drop and increased dividend. He also described Aurora Innovation, Inc. (NASDAQ:AUR) as a "worthy" speculative investment, despite uncertainty about its profitability. Aurora announced an expansion of its partnership with Hirschbach Motor Lines. Cramer mentioned Amprius Technologies, Inc. (NYSE:AMPX) as a sensible storage spec, with a conference call scheduled to discuss its financial results. Aurora shares rose 4.3%, while RTX and Amprius shares fell 1.2% and 0.9%, respectively.

Jim Cramer Calls RTX A 'Monster' Right Here, Aurora A 'Worthy' Spec