Video: China’s stock market crisis, explained

China’s falling stock market has investors around the world on edge as it threatens to take global markets down with it.

But whether or not China’s market chaos triggers a worldwide crisis, the country is headed for a reckoning. And since there aren’t a lot of precedents, the outcome remains an open question. In this video we look at two equally likely and equally scary models for the Chinese stock market plunge: the United States’ stock market crash of 1929, and Japan’s crash of 1989.