A day after American and Chinese solar stocks went in opposite directions thanks to the U.S. government's imposition of anti-dumping duties on Chinese solar imports, the entire group is trading lower (TAN -2.1%), perhaps due to investors focusing on the huge oversupply and pricing issues facing industry players regardless of location. Among the big losers: FSLR -3.5%. STP -3.8%. SPWR -5.2%. YGE -6.4%.