Nomura Holdings is unlikely to suffer a hit in ratings because of the Federal Housing Finance Agency’s mortgage-backed securities lawsuit, but the litigation may yet prove costly to the Japanese financial holding company, according to a recent report from Fitch Ratings. Nomura went to trial on March 16 to defend itself against allegations that it misrepresented the underlying asset quality of MBS it sold to Fannie Mae and Freddie Mac prior to the financial crisis ...