The problem for the iShares MSCI All Peru Capped ETF (NYSEArca: EPU) is not its 0.6% loss over the past 90 days. That is far better than the 4.5% shed by the iShares Latin American 40 ETF (NYSEArca: ILF) over the same period. Rather, volume in EPU’s components is drying up. “The average daily...