---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/100000000949870.md"
description: "$Lam Research(LRCX.US) just reported the biggest quarter in its history, and the stock fell 7% after hoursRevenue hit a record $8.22 billion, up 54% from $5.32 billion a year ago and up 22% from last quarterAdjusted EPS came in at $2.20 vs $2.18 expected, with record profit and a 40.2% adjusted operating marginCEO Tim Archer credited AI driving higher chip demand and more complex devicesDecember quarter guidance is $8.60 billion in revenue, plus or minus $400 million, and $2.33 in adjusted EPSShares traded near $241 after hours, about 44% below the June 30 close of $433 and roughly 30% lower than on Oct 2When a company prints records and the stock still drops 7%, the market is not doubting this quarter. It is doubting how long the AI chip spending cycle lasts, and right now nobody wants to pay up to find outSource: StockMarket.News"
datetime: "2026-10-22T07:15:19.000Z"
locales:
  - [en](https://longbridge.com/en/topics/100000000949870.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/100000000949870.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/100000000949870.md)
author: "[StockMarket.News](https://longbridge.com/en/profiles/21806507.md)"
generator: "portal-rs"
---

# $Lam Research(LRCX.US) just reported the biggest q…


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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**