The RENIXX tracks the world´s 30 largest companies in the renewable energy industry. They are given a weighting in the index is based on the market capitalization.
Companies in the index include First Solar, Suntech and Trina Solar.
The index closed last week at 159.36 points.
Compare that with 28.67 Billion in 2009.
As of this summer, a RENIXX Powerpoint presentation showed the company remained bullish about its companies, pointing to the finite nature of fossil fuels and booming installed capacity for solar and wind facilities.