The global recession has brought down the Solar industry stock prices. However, with the global tendency towards green energy, the future for solar companies remains optimistic.
YGE has a solid business, and has fair amount of debt financing. Because of its debt load, it has been sold off when listed in the NYSE like other U.S. stocks. However, the company is in China, and Chinese banks are much healthier than U.S. banks. YGE had no problem getting more loans if it needs to.
YGE stock price is tied to the price of oil. As oil price recovers, so would the demand for solar energy.