Citi bond offering marks crisis hangover for Abu Dhabi

" Abu Dhabi Investment Authority is set to pay its first bill of misery to Citigroup Inc.Because of an investment deal struck two years ago, early in the financial crisis, the United Arab Emirates' sovereign fund will soon start purchasing $7.5 billion in Citigroup shares at $31.83 apiece, Citi confirmed in a statement Wednesday, even though the New York bank's stock closed at $4.10."