Clean Edge and
's three benchmark clean-tech stock indexes were mixed last week with the
Nasdaq Clean Edge Green Energy Index
up 0.75 percent, the
Nasdaq OMX Clean Edge Global Wind Energy Index
falling 1.96 percent, and the
Nasdaq OMX Clean Edge Smart Grid Infrastructure Index
2.31 percent lower from the previous week.
The overall market saw similar movement. The
gained 0.02 percent and Nasdaq was up 1.13 percent - while the AMEX Oil fell 0.69 percent from the previous week.
CELS -- up 0.75 percent for the week and 10.68 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, 23 gained while 28 lost ground for the week.
CELS' best performer for the week was semiconductor maker
(FCS - Get Report)
, gaining 6.52 percent.
Rounding out the top five CELS performers were solar manufacturing equipment provider
(VECO - Get Report)
, up 6.19 percent; solar wafer and module manufacturer
, higher by 5.87 percent; energy storage technology developer
, up 5.77 percent; and electric vehicle manufacturer
(TSLA - Get Report)
, 5.41 percent higher.
CELS' worst performer last week was ethanol producer
Green Plains Renewable Energy
, declining 9.68 percent.
Other worst performers included utility network infrastructure product provider
, losing 8.06 percent; lithium-ion battery system maker
, down 7.89 percent; renewable energy project integrator
, retreating 6.93 percent; and biomaterial developer
, 5.99 percent lower.
QWND -- down 1.96 percent last week and 34.86 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, four saw gains, 12 lost ground, and two ended the week unchanged.
QWND's best pure play performer for the week was wind farm owner and operator
, up 21.31 percent.
Other top pure play performers included wind turbine gearbox maker
Hansen Transmissions International
, gaining 7.95 percent; composite material developer
, rising 4.27 percent; renewable energy power producer
EDF Energies Nouvelles
, growing 3.97 percent; and wind farm developer
China Longyuan Power Group
(0916), unchanged for the week.
QWND's worst pure play performers were wind power generator
Japan Wind Development Co.
(2766), losing 18.04 percent; wind turbine maker
Vestas Wind Systems
, down 15.14 percent; wind turbine manufacturer
, losing 4.13 percent; wind gear transmission equipment developer
China High Speed Transmission Equipment Group
(0658), declining 3.77 percent; and wind project developer
China WindPower Group
(0182), falling 3.66 percent from the previous week.