Costco beat on quarterly earnings and revenue, though some dings muted investor enthusiasm Friday. Overall, we considered Costco's fiscal fourth quarter , ending Aug. 31, solid. But as Jeff Marks, director of portfolio analysis for the Club, wrote Thursday evening, the results were not perfect. Same-store sales, referred to as comparable sales or comps in the retail industry, grew 5.7%. They missed estimates for a 5.9% gain and were decelerated from last year's 6.9% advance. This marks the second consecutive quarter of comps underperformance. That, along with a slight decline in renewal rates and a gross margin miss, sent Costco shares more than 2% lower Friday. The stock's year-to-date gain of 1% trails the S & P 500 and the retail sector in 2025. COST YTD mountain Costco YTD Jim Cramer h

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