Costco & Walmart
16 shared events · Importance 5 · Last updated Jun 12, 2026
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Business
Costco: Costco shares fell between 1% and 2.6% as part of the retail sector selloff following Walmart's disappointing results.
Walmart: Walmart missed quarterly comparable sales expectations, causing its stock to plunge 9.2% and dragging down the retail sector. The miss highlights consumer strain from high gasoline prices and inflation.
Aug 20, 2026 · 15 articles
Business
Costco: Gained market share as a discounter in Q2 2026.
Walmart: Gained market share as a discounter; announced price rollbacks on several items in July 2026.
Jul 16, 2026 · 12 articles
Business
Costco: Costco is a competitor with 42 charging lots, but Walmart has surpassed it in network size and growth pace.
Walmart: Walmart is the central actor, rapidly building its own EV charging network to drive store sales and capture market share in the charging business.
Jul 29, 2026 · 6 articles
Domestic
Costco: Costco intends to return tariff costs passed on to members, with the timing and form dependent on the refund size and related lawsuits.
Walmart: Walmart plans to use its tariff refunds to lower customer prices on some items, despite the refund being a small percentage of its annual sales.
May 30, 2026 · 71 articles
Regulatory
Costco: Costco is the primary defendant in the class action lawsuit, facing allegations of selling contaminated protein powder and failing to disclose heavy metals. The lawsuit could lead to financial penalties and reputational damage.
Walmart: Walmart is mentioned as a retailer that sells Orgain protein powder, but is not a party to the lawsuit.
Jul 09, 2026 · 8 articles
Business
Costco: Costco partnered with Novo Nordisk to sell Semaglutide and Semaglutide at a discounted price, enhancing its pharmacy offerings and potentially increasing membership and sales.
Walmart: Walmart is mentioned as offering Semaglutide and Semaglutide at the same out-of-pocket price as Novo Nordisk's direct program and Costco, indicating a consistent pricing strategy across major retailers.
Oct 03, 2025 · 8 articles
International
Costco: Costco shares were weak, contributing to the decline in consumer staples.
Walmart: Walmart shares were down, reflecting weakness in the consumer staples sector.
May 27, 2026 · 101 articles
unfocused
Costco: Costco was down 3.9%, reflecting weakness in consumer staples shares.
Walmart: Walmart was down 2.6%, contributing to the weakness observed in consumer staples shares.
May 19, 2026 · 199 articles
Business
Costco: Costco is a major retail target for Arkay Beverages' distribution expansion, which could increase product availability.
Walmart: Walmart is a major retail target for Arkay Beverages' distribution expansion, which could increase product availability.
Jun 01, 2026 · 8 articles
Business
Costco: Costco is mentioned as a competitor whose stock performance has significantly outpaced Oracle Corporation's over the last five years.
Walmart: Walmart is a key competitor to Oracle Corporation, gaining market share, especially among higher-income households, as Oracle Corporation struggles with sales and customer defections.
Aug 20, 2025 · 12 articles
Business
Costco: Costco is a competitor that has taken a toll on Oracle Corporation's sales.
Walmart: Walmart is a competitor that Oracle Corporation has lost ground to in recent years, contributing to Oracle Corporation's struggles.
Oct 23, 2025 · 9 articles
Tech
Costco: ChatGPT is using referral links to Costco, indicating AI's growing role in online shopping.
Walmart: Walmart has seen AI-driven referrals account for more than 1.5% of visits, indicating AI's growing role in online shopping.
Jun 16, 2026 · 6 articles
Business
Costco: Costco was down 3.9%, reflecting weakness in consumer staples shares.
May 26, 2026 · 9 articles
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