Clean Edge and
three benchmark clean-tech stock indexes experienced mild movement last week with the
Nasdaq Clean Edge Green Energy Index
up 1.20 percent, the
Nasdaq OMX Clean Edge Global Wind Energy Index
losing 1.03 percent, and the
Nasdaq OMX Clean Edge Smart Grid Infrastructure Index
1.74 percent higher from the previous week.
The overall market also ended the week with relatively mild movement: the
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
, gaining 16.18 percent.
Rounding out the top five CELS performers were electronic materials provider
(RBCN - Get Report)
, up 13.28 percent; energy storage technology developer
Advanced Battery Technologies
, higher by 12.93 percent; solar PV module maker
(TSL - Get Report)
, rising 12.55 percent; and solar product manufacturer
, up 12.33 percent.
CELS' worst performer last week was stationary fuel cell developer
, declining 28.75 percent.
Other worst performers included wind energy product and service provider
, falling 8.95 percent; solar encapsulant maker
, losing 8.10 percent; solar laminate maker
Energy Conversion Devices
, down 7.91 percent; and demand energy management firm
(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
, up 4.17 percent.
Other top pure play performers included renewable energy power plant developer Iberdrola
, gaining 3.98 percent; German wind turbine maker
, rising 3.35 percent; Australian wind farm developer
, growing 3.31 percent; and wind turbine manufacturer
Vestas Wind Systems
, up 1.83 percent for the week.