Shares of solar energy technology makers soared today as word of tight polysilicon supply brightened an outlook for the companies, including SunPower (SPWR), up $1.51, or 19%, at $9.44, and First Solar (FSLR), up $1.96, or almost 7%, at $32.36. Credit Suisse‘s Satya Kumar today wrote that prices for polysilicon, a basic building block of [...]