The company is also the largest foreign investor in China.
But in the last week, some large investors seem to have decided that the best opportunities were past, he said.
Some large investors promptly said the changes did not go far enough.
He is the the company's largest investor, with 19 percent of the stock.
The three men have reportedly been talking with a number of large investors.
Government officials indicated that the price being offered by large international investors was not high enough.
But many large investors have said that they will wait until Friday to decide.
The law also gave greater authority to large institutional investors in such cases.
Some say it was the large investors who have driven prices up.
Now you have the big, large investors whose interests are in short-term results.