Exchange Traded Fund (ETF) - Wikipedia: "An exchange-traded fund (or ETF) is an investment vehicle traded on stock exchanges, much like stocks. An ETF holds assets such as stocks or bonds and trades at approximately the same price as the net asset value of its underlying assets over the course of the trading day. Most ETFs track an index, such as the S&P 500 or MSCI EAFE. ETFs may be attractive as investments because of their low costs, tax efficiency, and stock-like features."
IndexUniverse - Independent authority on ETFs, indexes and index funds. Covers product and market developments related to index funds, ETFs, index derivatives (futures/options/swaps), and the sophisticated investment strategies that use these financial tools.
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