Citigroup Wealth Unit Halts Margin Loans on Adani Securities
Citigroup Inc.’s wealth arm has stopped accepting securities of Gautam Adani’s group of firms as collateral for margin loans as banks ramp up scrutiny of the Indian tycoon’s finances following allegations of fraud by short seller Hindenburg Research.
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### Instruction: Citigroup Wealth Unit Halts Margin Loans on Adani Securities

### Response: Citigroup Inc.’s wealth arm has stopped accepting securities of Gautam Adani’s group of firms as collateral for margin loans as banks ramp up scrutiny of the Indian tycoon’s finances following allegations of fraud by short seller Hindenburg Research.