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Why did Applied Materials (AMAT) stock go down on Oct 16, 2026?

Updated · Data: Nasdaq daily prices through Oct 16, 2026 close; SEC EDGAR

Quick answer

Applied Materials (AMAT) fell 4.8% to $409.29 on Friday, Oct 16, 2026, on 1.3x its 50-day average volume. There was no new SEC filing from the company in the five days up to the session, so the filing record does not explain the move.

Close (Oct 16, 2026)$409.29
Change-4.8%
Volume vs 50-day avg1.3x
From 52-week high-44.7%

What the data shows about the move

AMAT move in numbers

MetricValue
Close$409.29
Previous close$430.01
Change ($)-$20.72
Change (%)-4.82%
Day high / low$426.81 / $407.26
Volume8,551,533
50-day average volume6,751,517
52-week high / low$739.67 / $203.40
Above 52-week low+101.2%
50-day average price$482.21
200-day average price$439.03

Last 10 sessions

DateCloseChangeVolume
Oct 16, 2026$409.29-4.82%8,551,533
Oct 15, 2026$430.01-3.72%12,167,310
Oct 14, 2026$446.63-3.79%8,508,081
Oct 13, 2026$464.24-6.69%10,876,560
Oct 12, 2026$497.53-1.87%4,177,061
Oct 9, 2026$507.03-0.50%3,341,160
Oct 8, 2026$509.57-2.13%6,767,323
Oct 7, 2026$520.65-1.81%3,780,119
Oct 6, 2026$530.27-2.21%4,884,803
Oct 5, 2026$542.28+0.41%4,648,524

Peers in Semiconductors

CompanyClose Oct 16, 2026Change
ARM Arm Holdings$227.80-6.94%
TXN Texas Instruments$276.48-0.95%
INTC Intel$89.85-5.79%

Bull vs bear points from the data

Bull points

  • None stand out in the price data.

Bear points

  • Closed below its 50-day average price ($482.21).
  • Below its 200-day average ($439.03), the long-term trend line.
  • Still 44.7% below its 52-week high of $739.67.
  • Down 19.3% over the last five sessions.

Points are computed from price, volume and filing data only; they are not forecasts or recommendations.

Latest SEC filings for AMAT

FormFiledDetailLink
4Oct 5, 2026FORM 4EDGAR
4Oct 5, 2026FORM 4EDGAR
4Sep 10, 2026FORM 4EDGAR
4Aug 31, 2026FORM 4EDGAR
4Aug 27, 2026FORM 4EDGAR
8-KAug 27, 2026Items 5.02,7.01,9.01EDGAR

For the full picture, including financials from SEC filings and insider trades, see our AMAT stock analysis.

Sources

  1. SEC EDGAR: Applied Materials Form 4 filing index (filed Oct 5, 2026)
  2. SEC EDGAR: Applied Materials Form 4 filing index (filed Oct 5, 2026)
  3. SEC EDGAR: Applied Materials Form 4 filing index (filed Sep 10, 2026)
  4. SEC EDGAR: Applied Materials Form 4 filing index (filed Aug 31, 2026)
  5. SEC EDGAR: Applied Materials Form 4 filing index (filed Aug 27, 2026)
  6. SEC EDGAR: Applied Materials Form 8-K filing index (filed Aug 27, 2026)
  7. Nasdaq: AMAT historical prices and volume (daily data through Oct 16, 2026 close, retrieved Oct 19, 2026)
  8. Nasdaq: ARM historical prices (peer) (Oct 16, 2026 close)
  9. Nasdaq: TXN historical prices (peer) (Oct 16, 2026 close)
  10. Nasdaq: INTC historical prices (peer) (Oct 16, 2026 close)
  11. Nasdaq: AMAT earnings date (retrieved Oct 19, 2026)

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