• Oct 26, 2026

  $237.50+3.22%

  The broad market, as measured by the S&P 500 ETF (SPY), rose 0.71% on the session while this stock rose 3.22% [3]. The move was therefore larger than the broad-market move and only partly came alongside it. The other items were an Intel-focused piece and an options income series, neither of which reported an event about this company [1][2].

  • 1Seeking Alpha
  • 2Seeking Alpha
  • 3Broad market

• Oct 23, 2026

  $230.10-0.02%

• Oct 22, 2026

  $230.15-11.76%

  Shares fell 11.76% on a day when the S&P 500 ETF (SPY) moved -1.18%, so the drop was far larger than the broad market's [2]. 24/7 Wall St reported that Lam Research sank after its CFO used a phrase that spooked the semiconductor sector, despite a record quarter, while Applied Materials and ASML also fell [1]. Volume was 2.6x the trailing 20-session average [3].

  • 124/7 Wall St
  • 2Broad market
  • 3Market data

• Oct 21, 2026

  $260.81-1.00%

  The Motley Fool's earnings call transcript summary cited $8.2B of revenue, 54% year-over-year growth and record gross margins [1]. The shares nonetheless slipped 1.00% on volume 1.9x the trailing 20-session average, in a range of 259.04 to 270.90 [2].

  • 1The Motley Fool
  • 2Market data

• Oct 20, 2026

  $263.45-3.21%

  The S&P 500 ETF (SPY) rose 0.34% on the same session in which Lam Research fell 3.21% [1]. The decline was therefore not shared by the broad market [1].

  • 1Broad market

• Oct 19, 2026

  $272.20+3.13%

  The company rose 3.13% while the S&P 500 ETF (SPY) rose 0.42% in the same session [2]. The move was larger than the broad market's gain [2]. Seeking Alpha published a piece on ASML, a different company, saying its management raised full-year revenue guidance [1].

  • 1Seeking Alpha
  • 2Broad market

• Oct 16, 2026

  $263.94-4.87%

  The broad market, measured by the S&P 500 ETF (SPY), fell 1.11% on the session while the company fell 4.87% [1]. The decline was therefore considerably larger than the broad-market move and was not simply shared by it [1].

  • 1Broad market

Closing prices for LRCX. Summaries describe past sessions only and are not advice, a forecast or a recommendation.

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