Stephan's Tuesday Picks

• Roger Martin: Market maps make me nervous (Medium)
• Why food discount stickers may be a thing of the past (BBC)
• The chicken tycoons vs the antitrust hawks (NYT)
• Neiman Marcus rejects $3 billion bid from Saks (WSJ)
• Mastermind Toys to be bought by company controlled by veteran retailer Joe Mimran (Globe and Mail)