A type of investment fund that is traded on a stock exchange.
 two exchange-traded funds that own biotechnology stocks both fell about 4% this week
 Example sentencesExamples
-  If you prefer the diversification of an exchange-traded fund, you might consider the Market Vectors Agribusiness ETF.
 -  The volume of bullion held by gold exchange-traded funds rose to a fresh all-time high Wednesday.
 -  It's been about as low the exchange-traded fund has been since 2009.
 -  The SPDR Silver exchange-traded fund plunged 35 percent.
 -  Within the next decade exchange-traded funds will reach an exponential growth potential.