This document compares the market capitalization of major banks in Q2 2007 and January 20th 2009. It shows that market values declined significantly from 2007 to early 2009, with drops ranging from 26% to over 80% for most banks. A few banks like Goldman Sachs and HSBC saw smaller declines of around 35%, while Credit Suisse saw its market value drop over 80% in that period.