China Vanke Co Ltd , the country's largest developer, said in a statement to the Hong Kong Stock Exchange on Monday it planned to repurchase up to 10 billion yuan ($1.6 billion) worth of its domestic shares to protect investor interests.
Refer to the input text as context and select the correct relationship between 'Vanke' and 'Hong Kong Stock Exchange' from the available options.
Options: industry, stock exchange, owner of, position held