What is the relationship between Nordstrom and retail 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.

J.C. Penney was up 5.1 percent at $8.48 while Nordstrom jumped 3.7 percent to $77.72 and was among the biggest percentage gainers in the S&P 500, while the S&P retail index was up 0.4 percent.

Answer: industry