Dec 27 - By Madlen Read, AP Business Writers
When Citigroup warned in early November that it was likely to write down its portfolio by $8 billion to $11 billion in the fourth quarter because of exposure to bad loans, investors recoiled at the size of the losses. Some now say those early estimates appear drastically understated.

Nov 15 - By Madlen Read, AP Business Writers
Checking to see which bank is revealing billion-dollar losses in its portfolio has become something of a daily routine on Wall Street. On Thursday, traders fretted about Barclays' multibillion dollar write-down over their morning coffee.

Nov 14 - By Stephen Bernard, AP Business Writer
Investment bank Bear Stearns Cos. will take a $1.2 billion writedown in the fourth quarter related to weakness in its credit portfolios, and investor relief at the size of the writedown drove shares sharply higher Wednesday.
Nov 8 - By Associated Press
Another day, more writedowns on Wall Street.
Nov 8 - By Associated Press
Wachovia Corp. said Friday the value of its collateralized debt obligations sank in October by an estimated $1.1 billion pretax, requiring a writedown of about $1.11 per share for the month of October.