What is the relationship between Samsung and Seoul 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.

Bearish Outlook Shares of Samsung fell to 1,185,000 won in Seoul on Friday, down from 1,268,000 won on June 30.

Answer: location_of_formation