Since ETFs are essentially stocks that trade on a stock exchange, they have ticker symbols. The five largest ETFs as of April 1,2008, (with their ticker symbol shown in parentheses) were SPDR S&P 500...

Since ETFs are essentially stocks that trade on a stock exchange, they have ticker symbols. The five largest ETFs as of April 1,2008, (with their ticker symbol shown in parentheses) were SPDR S&P 500 ETF (SPY), I Shares MSCI EAFE (EFA), I Shares MSCI Emerging Market Index Fund (EEM), street TRACKS Gold Shares ETF (GLD), and Power Shares QQQ Nasdaq 100 (QQQQ).