Reuters: The booming solar power sector is about to get squeezed by the age-old laws of supply and demand. Solar energy companies are scrambling to ramp up production amid skyrocketing interest in renewable energy, but the pendulum is swinging quickly toward oversupply. That places a few players in the sector, including Yingli Green Energy Holding Co Ltd, First Solar Inc, as well as Q-Cells and SolarWorld AG, in the best position to benefit from the changing dynamics, analysts said. …