http://www.marketwatch.com/story/four-new-alternative-energy-stocks-added-to-ardour-global-alternative-energy-index-in-quarterly-rebalancing-one-new-stock-in-ardour-global-index-extra-liquid-2010-06-09?reflink=MW_news_stmp
The Ardour Global Alternative Energy Index(SM) is a capitalization-weighted, float-adjusted index of the most prominent alternative energy stocks in the world. To be included in the AGIGL index, companies must be pure-play and the stocks must pass multiple screens, including for capitalization, float, exchange listing, share price and turnover.
effective 6:00 PM (EDT) Sunday, June 20, 2010