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NEW YORK (TheStreet) -- Here are some of the hot stocks Jim Cramer talked about on Tuesday's Mad Money on CNBC:

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UTX

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United Technologies (UTX) - Get Report and McDonald's (MCD) - Get Report : If there were ever two stocks in need of activist investors stepping in, it's these two, Cramer said.

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NRG

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NRG Energy (NRG) - Get Report : This stock's current weakness could be investors’ chance to buy this “visionary business,” Cramer said.

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AYR

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Aircastle Limited (AYR) - Get Report : Cramer said this aircraft leasing company's 4.3% dividend yield is sustainable because of the company’s stable business and consistent cash flows.

To read a full recap of "Mad Money" on CNBC, click here.

To watch replays of Cramer's video segments, visit the Mad Money page on CNBC.

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-- Written by Margo D. Beller in New York.

At the time of publication, Cramer's Action Alerts PLUS had a position in UTX.