Student Loan Corp., a subsidiary of Citigroup Inc. and an originator of student loans, sold $1.4 billion of asset-backed securities on Friday.

The student-loan-backed deal is on top of the $1.5 billion credit-card-backed deal that Citi sold on Thursday.

Both deals surprised market participants, who had expected all issuance to be completed for the year.

Other investors said that the deal was based on reverse inquiry to satisfy the requests of large buyers, similar to Thursday's credit card issue.

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