Since China has tried to clamp down on margin trading a few months ago its economy has been in a tail spin. Not only does it have trillions of dollars in debt, but also the country's stock has fallen sharply. According to CNN, China's Shanghai Composite index has fallen 13% after only five trading secessions. Also the Shenzhen Composite, which is heavy in the technology field fell just as much. Investors have pulled back and some think the days where China was a constantly growing economy has come to an end. Some suspect it was a bubble in China's economy that has just burst. For more news on China, click here.