Focus on the pronunciation of stock
English definition of “stock”
/stɑk/ n [C/U] (SUPPLY)
› a supply of something for use or sale: [C] New regulations should preserve stocks of haddock and other fish. [U] The company won’t let you return unsold stock. › Stock is also the total amount of goods or the amount of a particular type of goods available in a store: [U] New Video has 4000 titles in stock. [U] That CD is out of stock.