Of central importance in public and listed companies is the securities market, typified by the London Stock Exchange.
The company was sold to a listed American company at the end of the decade.
Together they will provide a suite of tools and solutions for companies, which is designed to support listed companies in Asia.
Seventeen companies' shares lost more than 30 per cent of their value, and about HK$6 billion in market capitalisation was wiped off 105 listed companies.
A spokeswoman for the regulatory authority declined to comment whether it was investigating, but added that "listed companies have to keep the market informed of price-sensitive information without delay."
Since 2003 Wolff has been concentrating on strategic investments in medium-sized industrial and listed companies.
ENIL is the only listed company in the otherwise privately held Times of India Group.
As a minimum, it says, The Stock Exchange should require listed companies to publish an OFR that has been reviewed by its auditors for consistency with the financial statements.
The EU's decision to require listed companies to use international accounting standards was a bold and visionary step towards this objective.
He believes in single proprietorship; he has no listed companies.