Company Earnings UpdateCostco Monthly Sales, May 2020: Comp Growth Accelerates as E-Commerce Sales Double Coresight Research June 5, 2020 Reasons to ReadWe review comparable sales metrics reported by Costco for the month of May 2020, including the following: Year-over-year same-store sales growth—global and US comps Global online comparable sales Performance by segments We also consider the factors that impacted comparable sales in May, including the coronavirus pandemic and gasoline price deflation. Please Login to read the full report. Not a member? To access this content for free, register for a free account. This document was generated for Other research you may be interested in: 2026 Sector Outlook: US Beauty Retailing—Fragrance, GLP-1 and Science-Led Innovation To Drive ExpansionThe Changing Consumer: Insights Presented by Deborah Weinswig at YPO Retail CEO SummitShoptalk Fall 2025 Wrap-Up: Driving Retail Forward—AI, Agility, Loyalty and Leadership in Volatile TimesGroceryshop 2025 Day One: AI Drives Smarter Operations as Shoppers Seek Value and Wellness