As a long term investor you need to ask yourself if the overall story has changed. Is this just a hick-up along the way? Don't forget it was a tough quarter for a lot of companies out there with the slow down here in The States. Zoltek still has deals with the largest wind turbine manufactures in the world, and wind energy should only continue to grow in the future. Zoltek is also a smaller company which will lead to these massive stock swings in one direction or the other.