Readers are looking at deep industry questions this week, evidenced by Retail Dive's five most popular stories on the site. First we wondered if opposites would ever attract in our feature on rival retail mergers, followed by a look into the pros and cons of a generous return policy. Rounding out the list we have a profile of some of the most influential females in top retail executive positions. Read on for a complete look of this week's most popular stories.

• Could these retail rivals ever merge?: Mergers can be like romantic comedies, where competition and tension give way to a sweet finale.
• 6 female trailblazers in retail today: These women are facing major challenges for the retailers they've led or will lead.
• Costco moves to appeal to younger customers: The warehouse retailer is revamping product lines and improving its e-commerce to appeal to consumers beyond the suburbs.
• What is the point of no return in retail?: A retailer’s return policies must strike a balance between avoiding loss and living up to the image it presents to its customers.
• Hollister to become a fast-fashion retailer: Changing up the Abercrombie & Fitch sister brand is the latest move in efforts to revamp the ailing company.

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