Q&A: Former Treasury official Collyns on China's currency
![Q&A: Former Treasury official Collyns on China's currency](http://bloximages.chicago2.vip.townnews.com/tdn.com/content/tncms/assets/v3/editorial/a/69/a696c8a9-83f1-5cfc-958c-c9fba0156141/57b9cd9b9d9ac.image.jpg?resize=300%2C258)
WASHINGTON (AP) — A year ago, the People's Bank of China jolted financial markets by devaluing the Chinese currency. Investors were rattled again when China's yuan — also called the renminbi, or RMB — dropped last fall. They worried that…