In a rundown block in an industrial section of Hong Kong, rows of researchers at a two-year-old firm called Blue Umbrella are trawling through documents such as corporate records, blogs and government watch lists. Their goal: to look for accounting discrepancies or investigate the financial claims of Chinese businesses.
It is a growth industry. Investors around the world eager to profit from China's fast-growing economy want to know the risks. And hedge funds are circling over more and more Chinese stocks they want to bet against.
Blue Umbrella investigates hundreds and sometimes thousands of companies and individuals every month, ...
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