Tham khảo tài liệu 'project management roi a step by step guide for measuring the impact and roi for projects_7', kinh doanh - tiếp thị, quản trị kinh doanh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Protect Your Wealth from the Ravages of Inflation l 89 Table 5-1. Example ETF List Ranked by Volume Name Symbol Volume SPDR S P 500 SPY 170 962 000 iShares Silver Trust SLV 72 034 000 Financial Select Sector SPDR XLF 67 204 000 iShares MSCI Emerging Markets Index EEM 61 268 400 PowerShares QQQ QQQ 60 377 900 iShares Russell 2000 Index IWM 60 075 700 iShares MSCI Japan Index EWJ 52 765 600 ProShares UltraShort S P500 SDS 23 673 300 iPath S P 500 VIX Short-Term Futures ETN VXX 22 735 200 Vanguard MSCI Emerging Markets ETF VWO 20 913 100 Energy Select Sector SPDR XLE 20 550 300 Direxion Daily Financial Bull 3X Shares FAS 19 390 100 iShares MSCI EAFE Index EFA 18 649 400 Industrial Select Sector SPDR XLI 18 163 000 United States Oil USO 17 110 200 iShares FTSE China 25 Index Fund FXI 15 893 900 SPDR Gold Shares GLD 15 579 000 United States Natural Gas UNG 14 989 800 Materials Select Sector SPDR XLB 14 288 400 ProShares UltraShort Silver ZSL 13 908 300 iShares MSCI Brazil Index EWZ 13 525 200 Direxion Daily Small Cap Bear 3X Shares TZA 13 456 500 ProShares Ultra S P500 SSO 13 163 300 iShares MSCI Taiwan Index EWT 12 166 300 Semiconductor HOLDRs SMH 11 434 600 SPDR S P Retail XRT 11 222 800 90 Step 3 Generate a Good Risk-Adjusted Return on Investments Name Symbol Volume Technology Select Sector SPDR XLK 10 722 600 Direxion Daily Financial Bear 3X Shares FAZ 10 298 700 ProShares UltraShort 20 Year Treasury TBT 10 284 500 Market Vectors Gold Miners ETF GDX 10 086 300 In the table the ETFs have been ranked in descending order by three-month ADV. The next step is to go through the list and decide exactly which ETFs will be included in your tradable universe. Go down the list and put a check mark by any noncorrelated ETFs ETFs that do not represent the same main category as any already on your list. Once you have at least 20 ETFs on your list it is fine to stop. This process should be repeated at least yearly in order to make sure you are always trading the most liquid ETFs .