8-K - ACM Research, Inc. (0001680062) (Filer)
Published . Updated .
8-K - ACM Research filed an 8-K with the SEC on Oct 28 (a notice of a material company event).
Directly affected
- ACMR ACM Research-24.1% 30d
Named in this report.
Indirectly affected
- XLI Industrial Select Sector SPDR-0.4% 30d
Industrial Select Sector SPDR holds the industrials sector that ACM Research belongs to, so it often moves with news about it.
- LRCX Lam Research-12.0% 30d
Lam Research is a peer of ACM Research in special industry machinery; rivals often move on the same news.
- ACLS Axcelis Technologies+8.3% 30d
Axcelis Technologies is a peer of ACM Research in special industry machinery; rivals often move on the same news.
- VECO Veeco Instruments
Veeco Instruments is a peer of ACM Research in special industry machinery; rivals often move on the same news.
- ASML ASML Holding N.V-8.0% 30d
ASML Holding N.V is a peer of ACM Research in special industry machinery; rivals often move on the same news.
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| ACMR | +5.20% | -2.70% | base | after close | after close | after close | after close |
| XLI | +0.21% | -1.98% | base | after close | after close | after close | after close |
| LRCX | +8.37% | -4.50% | base | after close | after close | after close | after close |
| ACLS | +2.52% | -6.42% | base | after close | after close | after close | after close |
| VECO | +6.44% | -4.16% | base | after close | after close | after close | after close |
| ASML | +2.55% | -3.89% | base | after close | after close | after close | after close |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
Market Call
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Filed: 2026-10-28 AccNo: 0001628280-26-067734 Size: 170 KB Item 2.02: Results of Operations and Financial Condition Item 9.01: Financial Statements and Exhibits
Source: sec-edgar
How far ACM Research (ACMR) has moved since 28 Oct 2026
| Company | When | Move | Status |
|---|---|---|---|
| Axcelis Technologies (ACLS) | three days earlier | -6.42% | final price |
| Axcelis Technologies (ACLS) | five days earlier | +2.52% | final price |
| ACM Research (ACMR) | three days earlier | -2.70% | final price |
| ACM Research (ACMR) | five days earlier | +5.20% | final price |
| Asml Holding (ASML) | three days earlier | -3.89% | final price |
| Asml Holding (ASML) | five days earlier | +2.55% | final price |
| Lam Research (LRCX) | three days earlier | -4.50% | final price |
| Lam Research (LRCX) | five days earlier | +8.37% | final price |
| Veeco Instruments (VECO) | three days earlier | -4.16% | final price |
| Veeco Instruments (VECO) | five days earlier | +6.44% | final price |
| Select Sector Spdr Tr (XLI) | three days earlier | -1.98% | final price |
| Select Sector Spdr Tr (XLI) | five days earlier | +0.21% | final price |
Congressional trades in the stocks in this story
- Sen. Sheldon Whitehouse sold Lam Research (LRCX) (held by a spouse), worth $1,001 - $15,000 on 13 Aug 2026. That is 76 days before publication. Filed 2 Sep 2026. View the filing.
- Rep. Rohit Khanna sold Lam Research (LRCX) (held by a spouse), worth $1,001 - $15,000 on 3 Aug 2026. That is 86 days before publication. Filed 4 Sep 2026. View the filing.
- Rep. Michael T. McCaul bought Asml Holding (ASML) (held by a spouse), worth $50,001 - $100,000 on 7 Aug 2026. That is 82 days before publication. Filed 14 Oct 2026. View the filing.
Public disclosure filings, not a recommendation. The filing link is the source document. News use of these reports still sits under 5 U.S.C. § 13107(c).
Who gains and who loses around ACM Research (ACMR)
Companies tied to this story
- ACMR ACM Research
For “8-K - ACM Research, Inc. (0001680062) (Filer),” ACM Research (ACMR) is linked, with no stored direction, high confidence. Reason on file: SEC 8-K filing -> direct issuer disclosure -> ACMR
- XLI Select Sector Spdr Tr
For “8-K - ACM Research, Inc. (0001680062) (Filer),” Select Sector Spdr Tr (XLI) is linked, with no stored direction, medium confidence. Reason on file: Industrial Select Sector SPDR holds the industrials sector that ACM Research belongs to, so it often moves with news about it
- LRCX Lam Research
Lam Research (LRCX) is linked, with no stored direction, medium confidence in the 28 Oct 2026 story “8-K - ACM Research, Inc. (0001680062) (Filer).” Reason on file: Lam Research is a peer of ACM Research in special industry machinery; rivals often move on the same news
- ACLS Axcelis Technologies
For “8-K - ACM Research, Inc. (0001680062) (Filer),” Axcelis Technologies (ACLS) is linked, with no stored direction, medium confidence. Reason on file: Axcelis Technologies is a peer of ACM Research in special industry machinery; rivals often move on the same news
- VECO Veeco Instruments
Veeco Instruments (VECO) is linked, with no stored direction, medium confidence in the 28 Oct 2026 story “8-K - ACM Research, Inc. (0001680062) (Filer).” Reason on file: Veeco Instruments is a peer of ACM Research in special industry machinery; rivals often move on the same news
- ASML Asml Holding
Asml Holding (ASML) is linked, with no stored direction, medium confidence in the 28 Oct 2026 story “8-K - ACM Research, Inc. (0001680062) (Filer).” Reason on file: ASML Holding N.V is a peer of ACM Research in special industry machinery; rivals often move on the same news
How “8-K - ACM Research, Inc. (0001680062) (Filer)” reaches ACM Research (ACMR)
“8-K - ACM Research, Inc. (0001680062) (Filer)” (28 Oct 2026) reaches ACM Research (ACMR) through this story.
What ties ACM Research (ACMR) to the headline is this: SEC 8-K filing -> direct issuer disclosure -> ACMR
Also listed, Select Sector Spdr Tr (XLI): Industrial Select Sector SPDR holds the industrials sector that ACM Research belongs to, so it often moves with news about it
Dates in the story, and the ACM Research (ACMR) price range
ACMR traded between 52.95 and 82.67 across 18 sessions. The latest close on file is 56.05. LRCX traded between 225.20 and 352.46 across 20 sessions. The latest close on file is 240.79. XLI traded between 163.00 and 172.33 across 20 sessions. The latest close on file is 167.94.
What the saved facts support for ACM Research (ACMR)
46 out of 100
“8-K - ACM Research, Inc. (0001680062) (Filer)” scores 46 out of 100. The score uses 1 sources, and 6 linked companies.