Why Lam Research (LRCX) Stock Fell 3.98% in 10 Minutes After Q1 Earnings on Oct 21, 2026
Adjusted EPS of $2.20 came in above the $2.18 estimate; revenue of $8.22 billion came in above the $8.15 billion estimate.
- LRCX fell 3.98% in the 10 minutes after the 16:06:24 ET headline, from $249.94 to $240.00.
- The 3.98% drop was larger than any reaction MoveSurge measured after Lam Research headlines between Jul 23, 2026 and Oct 20, 2026; the largest of those was +1.01% in 15 minutes, on Jul 29, 2026.
- 445,060 shares changed hands in those 10 minutes.
16:06:24 ET
Reaction by asset (real prices)
| Asset | 2m before | At release | +1m | +10m | +1m % | +10m % |
|---|---|---|---|---|---|---|
| LRCX | 249.94 | 249.94 | 246.17 | 240.00 | -1.51% | -3.98% |
Lam Research (LRCX) shares fell 3.98% in the 10 minutes after its Q1 results reached the MoveSurge news feed at 16:06:24 ET on Wednesday, October 21, 2026. Adjusted EPS of $2.20 came in above the $2.18 estimate; revenue of $8.22 billion came in above the $8.15 billion estimate.
LRCX in the first 10 minutes
The line that crossed at 16:06:24 ET: “LRCX Q1: EPS 2.2 vs 2.18 est; revenue USD 8.22bln vs USD 8.15bln est”
From a reference price of $249.94 just before the headline, the stock was down 1.51% after one minute and down 3.98%, at $240.00, after 10 minutes. The move kept building after the first minute. 445,060 shares changed hands in those 10 minutes. The headline crossed in after-hours trading, 6 minutes after the 4:00 ET close.
Lam Research Q1 results against estimates
| Measure | Reported | Estimate | Result |
|---|---|---|---|
| Adjusted EPS | $2.20 | $2.18 | Beat |
| Revenue | $8.22 billion | $8.15 billion | Beat |
How LRCX traded after earlier earnings releases
| Report | EPS vs estimate | Revenue vs estimate | First move |
|---|---|---|---|
| Jul 29, 2026 | $1.82 vs $1.68 | $6.72 billion vs $6.67 billion | +1.01% in 15 min |
Earlier LRCX headlines and the measured reaction
The 3.98% drop was larger than any reaction MoveSurge measured after Lam Research headlines between Jul 23, 2026 and Oct 20, 2026; the largest of those was +1.01% in 15 minutes, on Jul 29, 2026.
Lam Research at a glance
| Sector | Technology |
| Industry | Industrial Machinery/Components |
| Market value | $329.69 billion (as of Oct 21, 2026) |
Prices are closes of 1-minute bars. Each move on this page is measured from the last completed bar before its headline.
How did Lam Research stock react to its Q1 earnings on October 21, 2026?
The stock fell 3.98% in the 10 minutes after its Q1 results crossed at 16:06:24 ET. Adjusted EPS of $2.20 came in above the $2.18 estimate; revenue of $8.22 billion came in above the $8.15 billion estimate.
How far did LRCX move after the headline?
From $249.94 just before the headline to $240.00 10 minutes later, a -3.98% move.
Sources
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LRCX headline and measured reaction, Oct 21, 2026
— MoveSurge
The headline as it crossed, its timestamp, and the measured price reaction reported on this page.
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