Costco Wholesale Corp

COST: XNAS (USA)

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Costco Earnings: Margin Expansion and Membership Growth Shine; Shares Remain Expensive

Brett Husslein

Mar 6, 2026

Costco's second-quarter results included 9.1% net sales growth, 6.7% comparable sales growth (ex-fuel), and a diluted EPS of $4.58 (up 14%). Digitally enabled sales rose 22.6%, while gross margins expanded 30 basis points to 12.8% even as disinflation on essentials like eggs and dairy took hold.

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Costco Wholesale Corp

Costco Earnings: Margin Expansion and Membership Growth Shine; Shares Remain Expensive

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