What is the relationship between Fiserv and Nasdaq in the context of the input sentence. Choose an answer from: 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