Stephan's Tuesday Picks

• Roger Martin: Cost-effective differentiation (Medium)
• Macy's Best Buy sales decline, reflecting shopper pullback (WSJ)
• Retailers lay out a downbeat outlook as inflation squeezes low-income shoppers (NYT)
• Amazon pausing construction of Washington, D.C.-area second headquarters (WSJ)
• Amazon's big dreams for Alexa fall short (FT)