From Longman Business Dictionarykerb marketˈkerb ˌmarket (also curb market) [countable]1FINANCE an unofficial market in shares etc that operates when the official market is closed, with buying and selling done over the telephone2an unofficial market for shares in some countries. A kerb market takes place in the street outside the stockmarketKerb market traders, angry over the continuing fall in share prices, attempted to block the bourse’s main entrance. → market