Reuters: Germany’s solar industry was shaken this month after Conergy (CGYG.DE: Quote, Profile, Research) shocked investors with a profit warning, sparking a sell-off in sun power stocks, but analysts say the sector still offers good opportunities. Germany’s OekoDax (.OEKODAX: Quote, Profile, Research), home to the country’s major solar, wind and biogas shares, has given back half the year’s 40 percent gains since the solar power systems maker said in late October supply problems might lead to …