---
symbol: "COST"
name: "Costco"
date: 2026-09-26
change_pct: 2.606465997770345
direction: "up"
event_type: "analyst_action"
url: "https://perplo.app/why/COST/2026-09-26"
updated_at: 2026-09-26T01:06:41.373Z
---

# Why Costco (COST) rose 2.61% on September 26, 2026

Costco (COST) rose 2.61% on September 26, 2026 — DA Davidson upgrade after earnings lift COST.

## What happened

DA Davidson raised its Costco price target following solid quarterly earnings that beat expectations, including a lift from tariff refunds and progress on membership metrics.

## Why it moved

An analyst target raise typically signals confidence in earnings power and can support multiple expansion if investors reward the beat and forward visibility.

## Why it matters

Costco exemplifies Consumer & Internet resilience — the retailer's ability to drive member growth and pricing power amid macro noise keeps it bid when discretionary spending falters.

## What would break the thesis

If management commentary or the next sales update suggests the quarter was a one-off driven by one-time tariff refunds, the multiple gains reverse quickly.

## Sources

- [DA Davidson raises Costco stock price target on solid earnings](https://www.investing.com/news/analyst-ratings/da-davidson-raises-costco-stock-price-target-on-solid-earnings-93CH-4917673) — Investing.com
- [Costco makes progress on a key membership metric. Here's our new price target on the stock](https://www.cnbc.com/2026/09/24/costco-makes-progress-on-a-key-membership-metric-heres-our-new-price-target-on-the-stock.html) — CNBC
- [Costco earnings beat expectations, thanks to tariff refunds](https://www.marketwatch.com/story/costco-earnings-beat-expectations-thanks-to-tariff-refunds-e7270cfa?mod=mw_rss_topstories) — MarketWatch

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