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Clean Edge Indices Gained Last Week

Stocks in this article: AONE POWI SOL

Clean Edge and Nasdaq's three benchmark clean-tech stock indexes experienced mixed performance last week with the Nasdaq Clean Edge Green Energy Index (CELS) up 3.03%, the Nasdaq OMX Clean Edge Global Wind Energy Index (QWND) grew 0.62%, and the Nasdaq OMX Clean Edge Smart Grid Infrastructure Index (QGRD) was 0.62 % lower from the previous week.

The overall market saw similar movement for the week: the S&P 500 gained 1.45% Nasdaq grew 3.26 %, and AMEX Oil was 0.26 % lower from the previous week.

CELS, up 3.03 % for the week and 8.20 % lower than a year ago, tracks U.S.-listed clean-energy companies and is divided into four categories: advanced materials; energy intelligence; energy storage and conversion; and renewable electricity generation and renewable fuels.

Of the 53 total component securities, 33 experienced gains and 20 experienced losses.

CELS' best performer for the week was energy storage technology developer A123 Systems (AONE), gaining 24.59%.

Rounding out the top five CELS performers were semiconductor maker Fairchild Semiconductor (FCS), up 12.70 %; electronic power management device maker Power Integrations (POWI), higher by 11.90 %; China-based solar product manufacturer ReneSola (SOL), up 9.01%; and solar manufacturing equipment provider Aixtron (AIXG), higher by 8.90 % for the week.

CELS' worst performer last week was power management device maker Power-One (PWER), declining 25.16 %. Other poor performers included wind energy product and service provider Broadwind Energy (BWEN), losing 10.29 %; renewable energy project integrator Satcon Technology Corporation (SATC), down 6.76 %; PV product manufacturer Energy Conversion Devices (ENER), retreating 4.90 %; and solar panel maker Evergreen Solar (ESLR), 4.76 % lower.

QWND, up 0.62 % last week and 39.76 % lower in the last 12 months, includes companies that are primarily manufacturers, developers, distributors, installers, and users of energy derived from wind sources.

Of QWND's 21 pure play components, nine experienced gains and 11 lost ground.

QWND's best pure play performer for the week was Denmark-based wind energy developer Greentech Energy Systems (GES), up 17.47 %.

Other top pure play performers included wind power project developer and operator Japan Wind Development Co. (2766), gaining 15.12%; advanced composite material maker Gurit Holding (GUR), rising 4.62 %; wind turbine maker Vestas Wind Systems (VWS), growing 4.14 %; and renewable energy project developer Gamesa Corporacion Technologica (GAM), 1.72 % higher for the week.

QWND's poor pure play performers were Broadwind Energy, losing 10.29 %; Greece-based renewable energy developer TENERGY, down 8.75 %; wind turbine gearbox maker Hansen Transmissions International (HSN), losing 4.49 %; Spain-based renewable energy developer EDP Renovaveis (EDPR), declining 4.32 %; and German provider of renewable energy PNE Wind (PNE3), falling 4.05 % from the previous week.

QGRD, 0.62 % lower from the previous week, is composed of companies that are primarily involved in the electric grid; electric meters, devices, and networks; energy storage and management; and enabling software used by the smart grid and electric infrastructure sector.

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