* Current six licenses expire in June
* No detail on when rebidding to take place
* Amendments include increase in amount of capital held
HONG KONG, Jan 14 (Reuters) - The number of new casino operators allowed to operate in Macau, the world's largest gambling hub, will continue to be limited to six concessionaires but their operating period will be halved to 10 years, the government said on Friday.
The announcement, which has been long awaited by casino executives, investors and analysts, puts an end to concerns that the government would change the status quo for the number of operators in the Chinese controlled territory.
The former Portuguese colony is the world's biggest gambling hub in terms of money wagered.
It massively tightened scrutiny of casinos in recent years, with authorities clamping down on illicit capital flows from mainland China and targeting underground lending and illegal cash transfers.
A casino executive familiar with the legislation said the government decided not to proceed with the proposal for a government official to directly supervise the casinos after feedback from the operators.
The licenses of the six operators, Wynn Macau, Sands China, MGM China, SJM Holdings , Galaxy Entertainment and Melco Resorts , are all due to expire in June this year.
Shares of U.S. casino companies Las Vegas Sands Corp and Wynn Resorts Ltd jumped 10%, while MGM Resorts International was up 4% before the opening bell. U.S.-listed shares of Melco were up 12%.
The government said all existing or potential operators need to apply through a new tender process. It did not detail when operators will have to bid or whether the current license term will be extended, according to a notice posted on its website.
Casino operators must increase the amount of capital to 5 billion patacas ($623.67 million) from 200 million patacas and increase the requirement for a Macau based director of the company to hold 15% from 10%.
Macau's casino stocks lost billions in market value last September ahead of a 45-day public gaming consultation to gage public consensus over new licenses.
The consultation focused on nine areas including the number of licenses, employee welfare, as well as introducing government representatives to supervise day to day operations at the casinos.
Beijing, increasingly wary of Macau's acute reliance on gambling, has not yet indicated how the license rebidding process will be judged. To appeal to authorities, operators have tried to bolster their corporate responsibility and diversify into non-gaming offerings. ($1 = 8.0170 patacas) (Reporting by Farah Master and Twinnie Siu; Editing by Jason Neely, Kim Coghill and Alison Williams)
