The Industry Codes that you can use for searching the company data resources can often be used in the business-focused article databases. You can also use the phrases used in the codes to describe what you're looking for, in addition to other synonyms and alternative terms like:
Men's (or women's or children's) apparel (or clothing) retail (or stores)
Consider combining these terms with some of the assigned indexing terms that you can find in these article databases (Subject or Topic) to narrow your search. Combine your own keywords using the Advanced search capabilities and the AND connector for narrower searching:
fashion industry AND performance 
American Eagle Outfitters AND marketing
448140 Family Clothing Stores
448110 Men's Clothing Stores
448120 Women's Clothing Stores
448150 Clothing and Accessories Stores
5611 Men and Boys' Clothing and Accessory Stores
5621 Women's Clothing Stores
5632 Women's Accessory and Specialty Stores
5651 Family Clothing Stores
This link opens in a new window
This link opens in a new window
This link opens in a new windowABI/INFORM contains articles from thousands of newspapers and key business magazines such as the Wall Street Journal, Financial Times, Barron’s, the Economist, and the New York Times. It also contains papers from leading academic journals across all major business disciplines.
This link opens in a new window This link opens in a new window This link opens in a new window This link opens in a new window This link opens in a new window This link opens in a new window