The Largest Index ETFs On The Market: SPDR S&P 500 ETF (SPY), PowerShares QQQ (ETF) (QQQ) & More by InsiderMonkey.comAugust 22, 2013April 19, 202001142 No. 2 Vanguard FTSE Emerging Markets ETF (NYSEARCA:VWO) VWO data by YCharts Assets Under Management: $50.7 billion Index the ETF Tracks: FTSE Emerging Transition Index YTD Return: -13% Daily average trading volume: $22.3 million 1 2 3 4 5 6 7 8 9 10