By Dan Weil The two main Russian stock ETFs in the U.S. are the VanEck Russia ETF and the iShares MSCI Russia Capped ETF. The Moscow stock market was closed for trading Monday in light of the financial turmoil caused by the conflict in Ukraine. That has turned the two main Russian-stock ETFs traded in the U.S. into a de facto Russian stock market. The two exchange-traded funds are the VanEck Russia ETF RSX, with assets of $1.3 billion, and the iShares MSCI Russia Capped ETF ERUS, with assets of $349 million. The Van Eck fund is based on the MVIS Russia Index, and the iShares fund on the MSCI R…