QWND's worst pure play performers were energy delivery technology developer
, declining 7.95 percent; Greece-based renewable energy developer
, down 5.73 percent; Spain-based renewable energy developer
, losing 5.10 percent; wind turbine manufacturer
, declining 5.09 percent; and wind energy product and service provider
, lower by 5.02 percent.
QGRD, down 1.08 percent from the previous week, is composed of companies that are primarily involved in the electric grid; electric meters, devices, and networks; energy storage and management; and enabling software used by the smart grid and electric infrastructure sector. Last week, seven of the 21 pure play QGRD components saw gains while the remaining 14 lost ground.
QGRD's best pure play performer was Power-One), gaining 40.86 percent. Rounding out the top five pure play performers were smart meter manufacturer
, up 2.96 percent; renewable energy inverter maker
SMA Solar Technology
, , rising 1.69 percent; energy storage developer
, 1.31 percent higher; and utility network provider
, up 1.18 percent.
QGRD's worst performers included transformer manufacturer
, losing 19.67 percent; network infrastructure product maker
, down 10.84 percent; American Superconductor, retreating 7.95 percent; demand management firm
, down 4.44 percent; and energy management service provder
, lower by 4.38 percent.
This information is not intended to be used as a guide to investing, and the authors make no guarantees that any investments based on the information contained herein will benefit you in specific applications, owing to the risk that is involved in investing of almost any kind.