An analyst upgrade of First Solar and increasing awareness that renewable electricity stocks may be "stealth" AI plays propelled the sector higher. Shares of solar-related stocks First Solar (FSLR 18.69%), SunPower (SPWR 14.23%), and Sunnova Energy (NOVA 7.65%) were rocketing higher today, appreciating 18%, 17.4%, and 12.6%, respectively, as of 2:08 p.m. EDT. First Solar received a positive analyst upgrade late yesterday and was up 8% or so on Tuesday before its renewed surge today. However, it appears the ...