golden share
From Longman Business DictionaryRelated topics: Financegolden shareˈgolden ˌshare [countable]FINANCE a government share in a company, usually a company that has been partly PRIVATIZED (=sold to investors), but where the government wants to continue to have influence. The share gives the government the right to decide on how the company is managed, who owns it etcThe Spanish government is to retain a golden share in the bank in a move to prevent hostile takeovers. → share