Clean Edge and Nasdaq's three benchmark clean-tech stock indexes experienced mild movement last week with the Nasdaq Clean Edge Green Energy Index (CELS) up 1.20 percent, the Nasdaq OMX Clean Edge Global Wind Energy Index (QWND) losing 1.03 percent, and the Nasdaq OMX Clean Edge Smart Grid Infrastructure Index (QGRD) 1.74 percent higher from the previous week.
The overall market also ended the week with relatively mild movement: the S&P 500 gained 2.51 percent, Nasdaq grew 1.10 percent, and AMEX Oil was 3.23 percent higher from the previous week.
CELS - up 1.20 percent for the week and 8.88 percent 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, 30 experienced gains, 22 lost ground, and one remained unchanged from the previous week's close.CELS' best performer for the week was vertically integrated PV product maker Yingli Green Energy (YGE), gaining 16.18 percent. Rounding out the top five CELS performers were electronic materials provider Rubicon Technology (RBCN), up 13.28 percent; energy storage technology developer Advanced Battery Technologies (ABAT), higher by 12.93 percent; solar PV module maker Trina Solar (TSL), rising 12.55 percent; and solar product manufacturer Solarfun Power (SOLF), up 12.33 percent. CELS' worst performer last week was stationary fuel cell developer FuelCell Energy (FCEL), declining 28.75 percent. Other worst performers included wind energy product and service provider Broadwind Energy (BWEN), falling 8.95 percent; solar encapsulant maker STR Holdings (STRI), losing 8.10 percent; solar laminate maker Energy Conversion Devices (ENER), down 7.91 percent; and demand energy management firm Comverge (COMV) (COMV), losing 7.62 percent. QWND - down 1.03 percent last week and 34.12 percent 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, eight experienced gains and 13 saw losses. QWND's best pure play performer for the week was wind turbine manufacturer Nordex (NDX1), up 4.17 percent. Other top pure play performers included renewable energy power plant developer Iberdrola Renovables (IBR), gaining 3.98 percent; German wind turbine maker REpower Systems, rising 3.35 percent; Australian wind farm developer Infigen Energy (IFN), growing 3.31 percent; and wind turbine manufacturer Vestas Wind Systems (VWS), up 1.83 percent for the week.
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