Citigroup may be the most active issuer of domestic debt, but according to a new survey by Greenwich Associates, it does not even crack the top five when it comes to secondary market trading. The new ranking, sans actual volume statistics, shows that so far this year, the firms with the largest market shares in fixed-income trading are JPMorgan and Lehman Brothers. Deutsche Bank, Goldman Sachs and Banc of America round out the top five. In service quality, Lehman was top in securitization and rates trading, JPMorgan tied Lehman for the top spot in credit trading. Other firms top ranked for service quality included Bank of America and RBS Greenwich. Greenwich Associates will publicize the list a bit later this year.

For more:
- here's an article from Investment Dealers' Digest (For FierceFinance readers)