Moody's Downgrades 15 Banks, Morgan Stanley Rallies

June 21 (Bloomberg) -- Bloomberg's Erik Schatzker and Sheila Dharmarajan report on the downgrade by Moody's Investors Service of 15 global banks, including four by one level, 10 by two levels and one by three levels. They speak with Pimm Fox on Bloomberg Television's "Taking Stock." (Source: Bloomberg)