Utilize the input text as a context reference, choose the right relationship between Nordstrom and retail 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.

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