1. Costco expected to report $67.17 billion first-quarter revenue, up from last year. 2. Analysts forecast EPS of $4.28, indicating significant year-over-year growth. 3. Concerns over tariffs and membership growth discussed by industry experts. 4. Recent U.S. core sales underperformed expectations, raising consumer spending concerns. 5. Costco's traffic showing strong growth despite stock being down year-to-date.