Our base estimates project that the production cost of solar cells for SunPower will steadily decline through our forecast period.

FORBES: Polysilicon Price Pop Casts Shadow On SunPower's Profits

Q-Cells ( QCLSF - news - people ), the world's largest maker of solar cells, beat first-quarter profit expectations but lowered its 2009 profit forecast for the third time since December.

FORBES: Europe Markets Brief