Clean Edge and Nasdaq's three benchmark clean-tech stock indexes moved higher last week with the Nasdaq Clean Edge Green Energy Index (CELS)up 4.48 percent, the Nasdaq OMX Clean Edge Global Wind Energy Index (QWND) 0.81 percent higher, and the Nasdaq OMX Clean Edge Smart Grid Infrastructure Index (QGRD) gaining 3.87 percent from the previous week.
The overall market also rose. The S&P 500 lost 2.97 percent and Nasdaq gained 2.24 percent. AMEX Oil was 4.19 percent higher from the previous week.
CELS -- up 4.48 percent for the week and 10.61 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.
Of the 51 total component securities, 37 experienced gains and 14 lost ground.CELS' best performer for the week was electric motor maker Baldor Electric (BEZ), gaining 38.82 percent. Rounding out the top five CELS performers were OLED technology developer Universal Display (PANL), up 16.16 percent; wind energy product and service provider Broadwind Energy (BWEN), higher by 14.88 percent; power management device maker Power-One (PWER), up 13.90 percent; and Chinese solar product manufacturer Suntech Power (STP), 13.11 percent higher for the week. CELS' worst performer last week was electric vehicle maker Tesla Motors (TSLA), declining 10.84 percent. Other worst performers included energy storage technology developer Advanced Battery Technologies (ABAT), losing 8.79 percent; smart meter manufacturer Itron (ITRI), down 8.09 percent; solar cell and module maker Canadian Solar (CSIQ), retreating 6.34 percent; and lithium-ion battery system manufacturer Ener1 (HEV), 4.73 percent lower for the week. QWND -- 0.81 percent higher last week but 39.57 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 18 pure play components, eight saw gains while ten experienced losses. QWND's best pure play performer for the week was wind turbine manufacturer Nordex (NDX1), up 4.51 percent. Other top pure play performers included renewable energy project developer EDP Renovaveis (EDPR), gaining 3.33 percent; wind farm developer China Longyuan Power (0916), rising 2.73 percent; advanced composite materials developer Gurit Holding (GUR), up 1.93 percent; and wind turbine gearbox and industrial gearbox designer Hansen Transmissions International (HSN), higher by 1.54 percent for the week.
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