Utilize the input text as a context reference, choose the right relationship between Fiserv and Nasdaq from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Investors include Visa Inc., V -1.32 % Nasdaq Inc., Citi Ventures , C -1.49 % Capital One Financial Corp. COF -1.21 % , Fiserv Inc. FISV -1.69 % and Orange SA ORAN -1.13 % .

Answer: stock_exchange