A proposal to improve transparency in TRX.II, Markit’s new synthetic commercial mortgage-backed securities index, was voted down six to five on Friday among the banks that provide the data. The proposal would have required participating banks to disclose where they were marking the underlying bonds referenced by the index. TRX.II, which includes the smaller, 114a offerings that characterized most post-crash deals so far as well as the public offerings, was rolled out Oct.1 in ....