It's a poor carpenter who blames his tools for a shoddy job.
May 21 (Bloomberg) -- Moody's Investors Service said it's conducting ``a thorough review'' after the Financial Times reported that a computer error was responsible for Aaa ratings being assigned to complex debt securities that slumped in value.
In an up market the glitch is called a "feature." In a down market the glitch is called a "bug."
Banks obtained the highest grades in 2006 and 2007 for constant proportion debt obligations, funds sold in Europe that used borrowed money to speculate on an