Eight of PowerShares' sector-specific ETFs are expected to trade on Thursday, June 23. The niche ETF firm filed for the funds in July of 2004.

The eight funds are based on eight of the American Stock Exchange's newly launched intelligent indexes, called "Intellidexes."

The eight funds are:
PowerShares Dynamic Pharamaceutical
PowerShares Dynamic Biotech & Genome
PowerShares Dynamic Food & Beverage
PowerShares Dynamic Leisure & Entertainment
PowerShares Dynamic Media
PowerShares Dynamic Networking
PowerShares Dynamic Semiconductor
PowerShares Dynamic Software

The American Stock Exchange developed the Intellidex indexes with the help of Revere Data, a financial data and services firm.

PowerShares previously launched ETFs based on other Amex-developed Intellidexes.

Intellidexes are " calculated using a modified, equal-dollar weighting methodology, which is applied to 30 stocks selected from targeted industry universes based on Revere Data's proprietary research. They are designed to identify stocks from a given market segment that have capital appreciation potential using the Amex's proprietary Intellidex stock selection and portfolio construction methodology," stated Amex officials in an early June press release.

"Eligible companies are ranked quarterly, based on criteria including fundamentals, valuation, timeliness and risk factors - which then are selected based on cumulative score," stated Amex officials in the release. 

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