投資筆記---能源相關ETF

水資源：
．PowerShares Water Resources (PHO)：
PowerShares Water Resources Portfolio is based on the Palisades Water Index. The Index seeks to identify a group of companies that focus on the provision of potable water, the treatment of water and the technology and service that are directly related to water consumption.
．First Trust ISE Water Index Fund(FIW)：
First Trust ISE Water Index Fund (the Fund) is an exchange-traded index fund that seeks investment results that correspond generally to the price and yield of an equity index called the ISE Water Index (the Index). The Index is a modified market capitalization-weighted index.
．POWERSHARES GLOBAL ETF TRUST(PIO)
．CLAYMORE ETF TRUST 2(CGW)


石油&天然氣：
．Oil Service HOLDRs(OIH)：
The Oil Service HOLDRS Trust issues depositary receipts called Oil Service HOLDRS, representing an undivided beneficial ownership in the common stock of a group of specified companies that, among other things, provide drilling, well-site management, and related products and services for the oil service industry.
．Energy Select Sector SPDR(XLE)：
Energy Select Sector SPDR Fund (the Fund) seeks to replicate the total return of the Energy Select Sector of the S&P 500 Index.
．PowerShares FTSE RAFI Energy Sector(PRFE)：
PowerShares FTSE RAFI Energy Sector Portfolio (the Fund) seeks investment results that correspond generally to the price and yield of an equity index called the FTSE Research Affiliates Fundamentals Oil & Gas Index (the Index).
． PowerShares Dynamic Oil & Gas Serv(PXJ)：
PowerShares Oil & Gas Services Portfolio seeks to replicate, before fees and expenses, the Oil & Gas Services Intellidex.