Standard & Poor’s rated more non-agency MBS, by dollar volume, than any of its peers during the first nine months of 2013, according to a new Inside MBS & ABS analysis and ranking. S&P rated $11.65 billion of non-agency MBS issued through the end of September. Although that was more than any of the other four rating services, it represented just 43.4 percent of total issuance in a market that is significantly more fragmented than it was before the financial crisis. Back in 2006, for example, S&P rated...[Includes two data charts]