Reuters: Global solar demand has surged on brisk buying from Germany, but analysts are split over whether the market will break down once incentives in the world’s largest solar market are pared back. The recent surge in sales has helped the industry recover from a brutal 2009, when prices for the modules that turn sunlight into electricity tumbled by more than 40 percent as a glut of supplies and difficult financial markets slowed growth. That rebound may be short-lived. UBS, in a …