After the collapse of Lehman Brothers in September 2008, Switzerland's largest bank was teetering. UBS, which was more than three times bigger than Lehman in terms of assets, had to write down some $50 billion during that tumultuous period.
Investors the world over breathed a sigh of relief on October 16 when the Swiss government rescued UBS. But unbeknownst to them at the time, the bank faced a potentially devastating crisis on a very different front.
Economic Glance
As the bottom fell out of the housing market and complex mortgage-backed securities began tanking in 2007, a strange thing happened at Moody's Investors Service, one of the largest firms that rate bonds for the risks they pose to investors.






























