Some Chinese solar names are tanking on news of the EU's anti-dumping investigation. LDK -5.3%. TSL -3.8%. STP -5.2%. JASO -12.6%. Meanwhile, U.S.-based First Solar (FSLR +2.8%) has added to its premarket gains. The Chinese government, which just sped up an anti-dumping probe aimed at U.S. polysilicon vendors, might also make a retaliatory move against European solar firms.