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.
Take context from the input text and decide on the accurate relationship between 'Vanke' and 'Hong Kong Stock Exchange' from the options provided.
Options: stock exchange, industry, owner of, position held