Possible Clues:

• K following
• Five-and-ten, e.g
• Trading center (or the start of a lifestyle arbiter's split personality)
• Shoppers' mecca
• Suffix in many store names
• Selling point
• Wal-___
• "Wal" follower
• Kwik-E-___
• Wal-___ (Sam Walton's chain)