"U.S. 
regulators, in a move to sanction auditors for blocking investigations at 
China-based companies, have set a course that jeopardizes the listing of more 
than 100 stocks from the world’s most populous nation." 
The entire article is 
here and is worth noting if you're considering investing in Chinese companies: http://www.bloomberg.com/news/2012-12-04/sec-auditor-case-seen-jeopardizing-chinese-u-s-listings.html
 
