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Clean Edge Stock Indexes - Week in Review

Each of Clean Edge and NASDAQ's three benchmark clean-tech stock indexes ended last week down with the NASDAQ Clean Edge Green Energy Index (CELS) losing 3.10 percent, the NASDAQ OMX Clean Edge Global Wind Energy Index (QWND) falling 2.48 percent, and the NASDAQ OMX Clean Edge Smart Grid Infrastructure Index (QGRD) down 2.23 percent from the previous week.

The overall market also ended the week down slightly - the S&P 500 lost 0.42 percent, NASDAQ fell 0.25 percent and AMEX Oil ended the week 2.19 percent lower.



CELS - down 3.10 percent for the week but 54.16 percent higher 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.

In the advanced materials sector, all five component companies were in negative territory. Energy intelligence had six components up and 14 down. In energy storage and conversion, four components were in positive territory and six lost ground. For renewable electricity and fuels, one component was up while the remaining 14 saw losses from the previous week's close.

CELS' best performer for the week was stationary fuel cell developer FuelCell Energy (FCEL), gaining 6.44 percent. Rounding out the top five CELS performers were solar manufacturing equipment provider GT Solar International (SOLR), up 5.87 percent; power management device maker O2Micro International (OIIM), rising 4.36 percent; microturbine maker Capstone Turbine Corporation (CPST), gaining 3.48 percent; and lithium-ion battery maker Valence Technology (VLNC), up 3.33 percent.

CELS' worst performer last week was geothermal energy developer Ormat Technologies (ORA), declining 16.17 percent. Other worst performers included PV product maker Evergreen Solar (ESLR), falling 11.81 percent; energy delivery technology developer American Superconductor (AMSC), losing 11.08 percent; vertically integrated solar manufacturer Trina Solar (TSL), down 9.87 percent; and electronic materials provider Rubicon Technology (RBCN), losing 9.04 percent.

QWND - down 2.48 percent last week but 32.65 percent higher 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 23 pure play components,four saw gains last week while the remaining 19 lost ground.

QWND's best pure play performer for the week was wind farm developer China WindPower Group (0182), gaining 8.97 percent. Other top pure play performers included advanced composite material provider Gurit Holding (GUR), up 0.97 percent; renewable energy project operator EDF Energies Nouvelles (EEN), rising 0.40 percent; German wind turbine manufacturer Nordex (NDX1), gaining 0.11 percent; and India-based wind power company Suzlon Energy (532667), down 0.21 percent.

QWND's worst pure play performers were renewable energy developer Gamesa Corporacion Technologica (GAM), declining 11.35 percent; American Superconductor (AMSC), down 11.35 percent; wind farm owner and operator Theolia (TEO), losing 8.21 percent; wind farm developer Greentech Energy Systems (GES), falling 7.89 percent; and wind turbine manufacturer Vestas Wind Systems (VWS), declining 6.77 percent.

QGRD - down 2.23 percent 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. Last week, four of the 17 pure play QGRD components saw gains while the remaining 13 lost ground.

QGRD's best pure play performer was energy contracting service provider Quanta Services (PWR), gaining 6.26 percent. Rounding out the top five pure play performers were wire and cable product provider General Cable Corporation (BGC), up 2.43 percent; utility industry contractor Pike Electric (PIKE), rising 0.48 percent; smart meter manufacturer Itron (ITRI), higher 0.09 percent; and network product provider ESCO Technologies (ESE), losing 1.27 percent.

QGRD's worst performers included American Superconductor (AMSC), losing 11.08 percent; power management product maker Power-One (PWER), down 8.92 percent; demand energy management firm EnerNOC (ENOC), retreating 7.84 percent; energy storage developer NGK Insulators (53330), down 6.77percent; and energy management technology developer Schneider Electric (SU), losing 5.80 percent.

This information is not intended to be used as a guide to investing, and the authors make no guarantees that any investments based on the information contained herein will benefit you in specific applications, owing to the risk that is involved in investing of almost any kind. For more on Clean Edge's stock indexes - including methodology, components, historical performance, financial products and licensing information, please visit www.cleanedge.com/ceindex.