PORTLAND, Ore. (Clean Edge) -- A broader green energy index outperformed the wind energy and smart grid infrastructure indexes from Clean Edge and NASDAQ last week.

The NASDAQ Clean Edge Green Energy Index (CELS) gained 2.44% and the NASDAQ OMX Clean Edge Global Wind Energy Index (QWND) edged up 0.44%, while the NASDAQ OMX Clean Edge Smart Grid Infrastructure Index (QGRD) fell 1.29%.

This performance didn't stray far from the movement of the overall market -- the S&P 500 gained 2.26%, NASDAQ rose 2.62% and AMEX Oil inched up 0.21% for the week.

CELS - up 2.44% for the week and 28.49% higher in the last 12 months - 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, three of the five component companies were in positive territory. Energy intelligence, the most populated sector of the index, saw 14 of its 20 components grow. Energy storage and conversion had seven components in the red and three gaining. For renewable electricity and fuels, eleven components were up, with the remaining four losing ground.

CELS' best performer for the week was semiconductor maker Microsemi ( MSCC), gaining 13.03%. Rounding out the top five CELS performers were solar wafer manufacturer LDK Solar ( LDK), up 11.32%; solar cell developer JA Solar ( JASO), rising 11.05%; vertically integrated PV manufacturer Yingli Green Energy ( YGE), gaining 10.34%; and solar cell and module maker Canadian Solar ( CSIQ), up 9.95%.

CELS' worst performer last week was developer of energy data systems ESCO Technologies ( ESE), declining 20.02%. Other decliners included energy management firm EnerNOC ( ENOC), erasing the previous week's 12% gain by falling 13.06%; demand management provider Comverge ( COMV), losing 12.45%; photovoltaic equipment manufacturer GT Solar ( SOLR) (SOLR), down 9.92%; and rechargeable lithium-ion battery maker China BAK Battery ( CBAK), losing 7.69%.

QWND - up 0.44% last week and 57.04% higher than a year ago -- includes companies that are primarily manufacturers, developers, distributors, installers, and users of energy derived from wind sources. Of QWND's 24 pure play components, 13 saw gains and 11 lost value.

QWND's best pure play performer for the week was wind gear transmission maker China High Speed Transmission Equipment , gaining 11.15%. Other top pure play performers included wind farm developer China WindPower , climbing 9.09%; renewable energy distributer Gamesa Corporacion Technologica, up 6.71%; Australia-based wind farm owner Infigen Energy , growing 4.07%; and wind farm developer PNE Wind (PNE3), rising 2.89%.

QWND's worst pure play performers were wind farm operator Japan Wind Development , down 14.66%; gearbox and drive train maker Hansen Transmissions International , losing 10.71%; wind turbine manufacturer Clipper Windpower , falling 10.36%; wind energy product and service provider Broadwind Energy ( BWEN), down 2.80%; and developer of advanced electricity delivery technology American Superconductor ( AMSC), declining 2.76%.

QGRD - down 1.29% last 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, seven pure-play QGRD components saw gains and 10 lost ground.

QGRD's best pure play performer was power conversion device maker Power-One ( PWER), gaining 9.09%. Rounding out the top five pure play performers were photovoltaic inverter manufacturer SMA Solar Technology , rising 8.59%; electricity distribution and automation management firm Schneider Electric , up 6.41%; network equipment provider RuggedCom , climbing 4.11%; and cable product developer and installer General Cable ( BGC), growing 2.43%.

QGRD's worst performers included grid service contractor Pike Electric ( PIKE), losing 25.39%; ESCO Technologies ( ESE), down 20.02%; Comverge, falling 12.45%; and network infrastructure product maker Echelon ( ELON), down 4.77%.

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.
Clean Edge, Inc., founded in 2000, is the world's first research and publishing firm devoted to the clean-tech sector. The company, via its publications, events, and online services, helps companies, investors, and governments understand and profit from clean technologies. Clean Edge, with offices in the San Francisco Bay Area and Portland Oregon, offers insight and intelligence on emerging clean-tech trends, opportunities, and challenges. The company publishes a range of reports including the annual Clean Energy Trends and Clean Tech Job Trends report series; hosts the annual Clean-Tech Investor Summit (along with IBF); maintains a number of benchmark clean-tech stock indices with NASDAQ OMX including CELS, QGRD, and QWND; and produces Clean Edge Jobs, a leading online jobs board for clean-tech job seekers, employers, and recruiters. To keep abreast of the latest clean-tech news; access industry reports; learn more about our services; or sign up for our free e-newsletters; visit CleanEdge.com.

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