It’s been a bumpy ride for solar stocks recently.

The industry received a boost when clean energy tax credits were added to the $700 bailout bill to help its passage from Congress. But fears of falling demand and oversupply have weighed on solar stocks. The Claymore/MAC Global Solar Index ETF (NYSE:TAN) fell 35% in the first eight trading days of October.

William Patalon III, however, says new mapping technology and advances that have made solar power more eco-friendly will boost solar stocks in the long run.

Despite my insistent, if illogical, argument against the idea, I am assured by those in the business that, yes, wind turbines do sometimes stop moving. And when they do, batteries to store and release back excess energy from earlier, more blustery, hours is a necessity, which is where NGK Insulators comes in.