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(Updates from 10:44 a.m. ET with closing information.)
NEW YORK (TheStreet) -- Here's what Jim Cramer had to say on CNBC's "Squawk on the Street" Tuesday.
Morgan Stanley downgraded General Mills (GIS) to sell from hold. "That's never been a good call," Cramer said of the downgrade. GIS closed down 1 cent to $48.80.
Deutsche Bank upgraded Cliffs Natural Resources (CLF) to buy from hold. Although the stock has struggled, Cramer said the analyst sees the restructuring plan working. He said the stock could have a lot of upside if it's true. CLF rose 2.6% to $22.94.
BioMarin Pharmaceutical (BMRN) is a "controversial stock," Cramer said. He doesn't know if the stock can hold its current levels. BMRN jumped 3.9% to $71.34.
"People always misinterpret" the Chinese comp numbers for Yum! Brands (YUM), a holding in his charitable trust, Action Alerts PLUS, Cramer said. He said KFC is strong and Pizza Hut is weak. "KFC is the driver" for YUM, Cramer said, and he's buying on the weakness. YUM fell 18 cents to $73.23.
Analysts have been reiterating their buy recommendations on Celgene (CELG), Cramer said. He said the biotech's presentation on Monday was "great" but thinks investors should "wait until it comes down a little more" in price before buying. CELG was 1.3% higher at $167.04.
JPMorgan downgraded Stratasys (SSYS) to hold from buy. "It's about time. These things have been straight up." Cramer said, referring to 3-D company stocks. SSYS plummeted 8.2% to $119.37.