This article was automatically generated by MarketWatch using technology from Automated Insights.
Shares of Lam Research Corp. (LRCX) slid 4.85% to $160.52 Friday, on what proved to be an all-around grim trading session for the stock market, with the S&amp;P 500 Index  falling 1.07% to 6,827.41 and Dow Jones Industrial Average  falling 0.51% to 48,458.05.
The stock's fall snapped a five-day winning streak.
Lam Research Corp. closed 5.40% below its 52-week high of $169.69, which the company achieved on December 10th.
The stock underperformed when compared to some of its competitors Friday, as Advanced Micro Devices Inc. (AMD) fell 4.81% to $210.78, Applied Materials Inc. (AMAT) fell 4.04% to $259.21, and Analog Devices Inc. (ADI) fell 1.44% to $279.32.
Trading volume (10.8 M) remained 299,337 below its 50-day average volume of 11.1 M.
Data source: Dow Jones Market Data, FactSet. Data compiled December 12, 2025.
This content was created by MarketWatch, which is operated by Dow Jones &amp; Co. MarketWatch is published independently from Dow Jones Newswires and The Wall Street Journal.
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12-12-25 1633ET

LRCX

<p>Lam Research Corp. stock fell 4.85% to $160.52 on Friday, underperforming compared to competitors like AMD, AMAT, and ADI. The decline ended a five-day winning streak and left the stock 5.40% below its 52-week high. Trading volume was slightly below the 50-day average. The S&P 500 and Dow Jones also fell during the session.</p>

Lam Research Corp. Stock Underperforms Friday When Compared To Competitors