The company is seeing weakness in its core business, as well as soft demand for both solar and flat-panel equipment.

FORBES: Applied Materials Q4 Edges Ests; Outlook Weak; Shrs Slip

But the week's most exciting solar story is The Solar Pocket Factory, a DIY backyard photovoltaic panel printing system that can print a solar panel in 15 seconds flat.

ENGADGET: Inhabitat's Week in Green: solar panel printer, gold producing bacteria and a life-size of horse made of computer keys