The 10 Most Massive SPDR ETFs On The Market by InsiderMonkey.comAugust 31, 2013April 15, 202001072 No. 7 Technology SPDR (ETF) (NYSEARCA:XLK) XLK data by YCharts Assets Under Management: $11.5 million The Index the ETF tracks: Technology Select Sector Index Average trading volume: $8.1 million Year-to-date return: 10% 1 2 3 4 5 6 7 8 9 10 11