Volatile solar stocks rally (TAN +2.7%) on what's proving a good day for risk assets, as investors decide a weak Chinese manufacturing PMI print was already priced in. JKS +7.5%. SCTY +7.1%. SUNE +6.6%. YGE +4.6%. LDK +6.2%. First Solar (FSLR +4.4%) has announced this morning construction has begun for its 50MW Macho Springs New Mexico solar project, and ReneSola (SOL +6.1%) says it has restrated production at a polysilicon plant (halted in Nov.) following upgrades. ReneSola says the plant now has an annual production capacity of 10K MT, and that it expects to produce 1.8K-2K MT in Q3.