One more reason solar stocks could be moving higher today: German polysilicon maker Wacker says it's ramping production due to strong demand, and has eliminated "short-time working schedules." The news follows a major 2H12 decline in plant utilization rates due to soft demand and high inventories, and comes in spite of worries China will soon impose tariffs on polysilicon imports. Publicly-traded manufacturers: WFR, DQ, LDK, STP, YGE. (earlier)