Sleep-At-Night-Money Lost in Lehman Lesson Missing $63 Billion

"Then, in August 2007 the commercial-paper and other credit markets froze as a result of deteriorating mortgage values. Banks such as Citigroup had funded the home loans in their structured investment vehicles, or SIVs, with commercial paper, and now the off-balance-sheet pools were collapsing because investors stopped purchasing their short-term notes. When SIV managers put their debt up for sale for as little as half the face value, Bent went on a buying spree, according to the Investment Company Institute, a fund-industry trade group in Washington."