In negative book value, some analysts see a red flag; others see a sign that accounting for intangibles needs to change.

Former adviser to People's Bank of China, state-affiliated economist back free float.

Former adviser to People's Bank of China, state-affiliated economist back free float.

Renminbi is gaining against most of its peers as Chinese economic growth sags.

Renminbi is gaining against most of its peers as Chinese economic growth sags.

Government moves to cap foreign investors' holdings of company debt and bank debentures.