Terra Nitrogen: Cramer said don't buy TNK.
China Agritech: CAGC is a risky stock, Cramer said.
China Unicom: Cramer gave CHU his blessing because of its big iPhone distrubutership.
Cramer's charitable trust owns China Unicom.
Call Cramer: 1-800-743-CNBC
Questions for Cramer? madmoney@cnbc.com
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