Mizuho Securities to see 10 bln-yen, first-half loss: Nikkei

"Mizuho Securities' local subsidiaries in the U.S. and the U.K. issue and manage bonds as well as securitized instruments tied to bonds. Without clear rules for assessing the value of securitized products, brokerages have been calculating the theoretical values on their own."-More Marking to Micky Mouse