Typically when companies forecast lower sales or profits, their stocks usually take a hit. It's not always easy to tell whether it's having a fire sale or burning down its house.
This week was one of the most eventful weeks for the solar industry since I started covering the industry for The Motley Fool in 2010 -- and that's saying something.
There are plenty of strategies for picking stock winners, from finding low P/E stocks to seeking companies selling at a discount to their future cash flows.
In China, the future for solar power looks bright. There are reports that the country may increase its upper limit for installed solar capacity to 40 GW in 2015.