The shift to eCommerce left many wondering if Costco’s best days were behind it, but this retailer is here to stay. Costco Wholesale Corporation US: COST | Market cap: $163.2B | Category: Compounder Rev (FY20): $22.1B (+9.2% yoy) | Profit $4.0B (+9.4% yoy) P/E: 32.5x | EV/EBIT: 21.2x Moat: Cost advantage, economies of…