What is the relationship between Gilead Sciences 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.

(CHTR) $182.88 +1.78% Intel Corp. (INTC) $29.08 +1.68% Keurig Green Mountain Inc (Xetra: GM2.DE - news ) (GMCR) $57.43 +1.54% Liberty Global (NasdaqGS: LBTYA - news ) plc Series A (LBTYA) $47.48 +1.41% Nasdaq 100 - Fallers Netflix Inc. (NFLX) $101.06 -4.15% Mylan Inc. (MYL) $47.42 -2.47% Staples Inc. (SPLS) $13.80 -2.34% Gilead Sciences Inc. (GILD) $101.91 -2.26% Amgen Inc (Xetra: 867900 - news ) .

Answer: stock_exchange