Clean Edge and
's three benchmark clean-tech stock indexes ended the week higher with the
Nasdaq Clean Edge Green Energy Index
up 8.07 percent, the
Nasdaq OMX Clean Edge Global Wind Energy Index
growing 3.53 percent, and the
Nasdaq OMX Clean Edge Smart Grid Infrastructure Index
6.24 percent higher from the previous week.
The overall market saw similar movement. The
gained 3.55 percent,
grew 4.15 percent, and AMEX Oil was 2.59 percent higher from the previous week.
CELS --- up 8.07 percent for the week and 4.99 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 53 total component securities, 49 saw gains and four, losses.
CELS' best performer for the week was utility network provider
(ESE - Get Report)
, gaining 21.12 percent.
Rounding out the top five CELS performers were carbon fiber composite material developer
, up 20.29 percent; power management device maker
, higher by 20 percent; PV product maker
, rising 18.02 percent; and LED and solar manufacturing equipment provider
(VECO - Get Report)
, up 16.46 percent.
CELS' worst performer last week was smart meter manufacturer
, declining 3.77 percent.
Other poor performers included stationary fuel cell developer
, losing 2.44 percent; electric motor maker
, down 1.67 percent; vertically integrated solar product manufacturer
, retreating 0.07 percent; and integrated semiconductor maker
, 0.81 percent higher.
QWND -- up 3.53 percent last week but 28.68 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, 13 experienced gains, 7 lost ground, and one ended the week unchanged.
QWND's best pure play performer for the week was wind power project developer and operator
Japan Wind Development
, up 50.78 percent.
Other top pure play performers included Zoltek Companies, gaining 20.29 percent; energy delivery technology developer
(AMSC - Get Report)
, rising 11.57 percent; wind turbine parts maker
China High Speed Transmission Equipment Group
, growing 11.47 percent; and wind farm developer China
Longyuan Power Group
, 10.07 percent higher.
QWND's worst pure play performers were Greece-based renewable energy project developer TENERGY, losing 3.88 percent; wind turbine gearbox maker
Hansen Transmission International
, down 3 percent; Spain-based renewable energy developer
, losing 1.11 percent; wind turbine manufacturer
, declining 1.05 percent; and Spain-based renewable energy producer
, falling 0.62 percent from the previous week.