Market Vectors – Vietnam ETF, (VNM) which will seek to replicate the price and yield performance of the Vietnam Index is set to begin trading tomorrow August 14th. The Market Vectors Vietnam ETF (VNM) will be the first U.S.-listed ETF exclusively dedicated to Vietnam, mirroring the performance of the Market Vectors Vietnam index .MVVN, which tracks companies that generate at least 50 percent of their revenues in the country, Van Ecksaid in a statement. The Vietnam index is made up of companies with market capitalization’s greater than $200 million. Most of the companies in the fund are headquartered in Vietnam, or generate a majority of their revenue there. Financials, energy and materials are the top three industry weightings in the benchmark index, which has soared over 90 percent since the beginning of March.