Buy the Spike in Costco Stock After Earnings?

Group 1: Financial Performance - Costco's Q3 sales increased by 8% year over year to $63.2 billion, surpassing estimates of $63.14 billion [3] - Comparable sales rose by 6%, with membership fee revenue increasing to $1.24 billion from $1.12 billion in the previous year [3] - The company reported Q3 EPS of $4.28, exceeding estimates of $4.25 and up 13% from $3.78 per share a year ago [3] Group 2: Expansion and E-Commerce - Costco opened 9 warehouses during Q1, including locations in Australia, Japan, and the U.S., with plans to open 10 more in Q4 [4] - E-commerce sales grew by 15% in Q3, driven by Costco Logistics, which offers delivery services for bulk shipments [5] Group 3: Market Outlook and Tariff Management - Costco's CEO expressed confidence in managing tariff impacts and economic uncertainties while maintaining service quality [6] - Approximately one-third of Costco's U.S. sales are imported, with 8% coming from China; the company is sourcing more locally to mitigate tariff effects [8] - Projections indicate total sales will increase by 8% in fiscal 2025 and another 7% in FY26, with annual earnings expected to rise by 11% this year [9] Group 4: Investment Sentiment - Following the favorable Q3 report, Costco stock holds a Zacks Rank 2 (Buy), with upward revisions in FY25 and FY26 EPS estimates [11]