Market closed · After hours · 5:28 PM ET
Last update: Sep 30, 2026, 5:18 PM ET
ACM Research, Inc.
$80.92▲ 7.02% today
After Hours

Why ACM Research, Inc. (ACMR) stock moved

Updated Sep 30, 2026

ACM Research, Inc. (ACMR) shares climbed 7.0% to $80.92 as of September 30, 2026, a significant gain from the prior close of $75.61. BestStocks flagged the session as a major change for ACMR. The move is tied to company news. Below, we break down what changed for ACMR, why it matters for investors, how the stock reacted, and the catalysts on the calendar.

What happened

Company News

ACM Research management will participate in the 18th Annual CEO Investor Summit 2026. Direct investor engagement provides platform to communicate strategy, competitive positioning, and growth outlook to institutional investors.

This summary describes the catalyst and move as first detected on Sep 30, 2026, 4:59 PM EDT; the stock has continued trading since, so the current price and percentage move (shown above) may be larger or smaller than the figures here.
NewsMedium confidence
Rel. volume
1.3×
Normal
Vs peers
—
No comparable peers
Market cap
$5.2B
NASDAQ Global Market
Analyst target
$113
+39.9% vs price
Price chart
Aug 31 – Sep 30
VNVEEEVV$64$72$81Aug 31Sep 8Sep 16Sep 23Sep 30
E earnings
F filing
A analyst
V/N other
click a marker to highlight
Change events — click to jump to details

What it means for ACM Research, Inc. investors

For ACM Research, Inc. investors, the balance of recent signals points to a bullish shift. On the constructive side: Material positive event; Strong 7.0% price move. Weighing against that: ACM Research, Inc. moved -6.11% intraday from $80.67 to $75.74; ACM Research fell 8.38% to $84.25 in intraday trading despite a broader market uptick, according to Zacks. Wall Street's consensus price target sits at $113.20, implying +39.9% upside from $80.92. BestStocks rates the overall signal quality medium (61/100). With earnings roughly 35 days out, the next report is the most likely near-term test of the move.

ACMR price reaction

ACMR last traded at $80.92, up $5.31 (+7.02%) from the previous close of $75.61. The session traded on 1.3× average volume (normal), so participation was unremarkable. Over the past month the stock has ranged between $63.94 and $80.92, and it currently sits about 100% of the way up that band.

Bullish and bearish analyst opinions on ACM Research, Inc. (ACMR)

Latest catalyststrengthens the bull case
The latest catalyst — positive company news — it strengthens the bull case and confirms the prevailing bullish analyst lean.

The consensus analyst price target on ACM Research, Inc. (ACMR) is $113.20, 39.9% above the recent $80.92. Here is how the bullish and bearish cases on ACMR line up.

The bullish case

  • Wall Street's consensus price target of $113.20 implies +39.9% upside from $80.92.
  • The Street's most bullish target is $136.00 (+68.1%).
  • Material positive event.
  • Strong 7.0% price move.
  • ACM Research rallied +6.06% to $73.63, driven by continued momentum following a strong Q2 earnings beat ($0.61 EPS vs. $0.42 consensus) and raised full-year revenue guidance, per web sources citing accelerating orders and surging advanced technology revenue.

The bearish case

  • The most bearish analyst target is $75.00 (-7.3%).
  • ACM Research, Inc. moved -6.11% intraday from $80.67 to $75.74.
  • ACM Research fell 8.38% to $84.25 in intraday trading despite a broader market uptick, according to Zacks.
  • ACMR fell 11.47% intraday to $102.77, extending a decline that began yesterday when the stock closed down 7.67% at $117.16.
Bull vs bear balanceBullish Shift
BearishNeutralBullish
The latest catalyst moved the balance toward the bulls — the hollow tick marks where it sat before.

Weighing both sides, BestStocks' composite read of recent signals is bullish, as the bull-versus-bear meter above shows. This is an educational summary of the bull and bear case, not investment advice.

Analyst price targets and ratings are FMP consensus figures as of Sep 30, 2026; other aggregators may differ. High and low targets show the range of estimates, not forecasts.

Analyst expectations
Consensus target: $113+39.9%
Morgan Stanley maintained Overweight · 2026-06-24
SEC filings watch
No recent filings
Peer context
ACMR+7.0%

Previous notable changes for ACMR

Valuation2026-09-30+7.0%via nz.finance.yahoo.com ↗
ACM Research rose 6.31% to $80.38, driven by upward momentum from recent backlog data releases from its Shanghai subsidiary combined with continued semiconductor and AI-driven demand tailwinds (web_catalyst). Volume of 839,654 shares ran 1.14x normal for this time of session. The move extends recent strength following earlier raised 2026 revenue outlooks and solid Q2 earnings.
Risk2026-09-24-5.6%via ca.investing.com ↗
ACM Research, Inc. moved -6.11% intraday from $80.67 to $75.74. ACM Research (ACMR) stock is down roughly 6% today due to a broader risk-off selloff hitting high-beta growth and semiconductor equipment stocks, following a sharp 24% rally over the past week. There are no company-specific negative catalysts or downgrades triggering the decline. Instead, the pullback is driven by macro sector factors and natural profit-taking. ## ACM Research Inc (ACMR) $75.78 -6.07% today As of Sep 24, 1:32 PM EDT • Disclaimer 10:00 AM 11:00 AM 12:00 PM 1:00 PM 76 78 80 Prev close $80.67 Sep 24, 2026 9:30 AM - 1:32 PM 1D 5D 1M 6M YTD 1Y 5Y Max| Open 78.10 | Mkt cap $5.28B USD | 52-wk high 127.19 | | High 78.62 | P/E ratio 35.54 | 52-wk low 28.47 | | Low 74.14 | Div yield- | --- ### 📉 Key Drivers of the Decline - Broad Semiconductor & Tech Weakness: High-beta growth names are bearing the brunt of a wider market slowdown, with the Nasdaq down about 0.5%. ACMR traditionally amplifies market movements in both directions due to its high volatility profile. - Profit Taking After a Massive Week: Before today's pullback, ACMR shares had jumped over 24% in the last 7 days alone, fueled by intense investor debate over its extensive exposure to China's semiconductor market
Material / Earnings2026-09-23+6.4%
ACMR moved +7.57% from its $74.99 open to a $80.67 close on 2026-09-23.
Material / Earnings2026-09-22+4.2%
ACMR moved +5.28% from its $72.00 open to a $75.80 close on 2026-09-22.

In-depth ACMR event analyses

Permanent, dated analyses of ACMR's most significant sessions.
Upcoming catalysts & outlook
Next earnings
2026-11-04 (est.)
in 35 days
Thesis shift
Bullish Shift
bullish signal
Risk level
High
from change events

Frequently asked questions about ACMR

Why did ACM Research, Inc. (ACMR) stock move?

ACMR climbed 7.0% to $80.92. The move is associated with company news.

How much did ACMR stock rise?

ACMR gained 7.02% ($5.31) versus the prior close of $75.61, last trading at $80.92 on 1.3× average volume.

When is ACM Research, Inc.'s next earnings date?

ACMR's next earnings report is estimated for 2026-11-04 — about 35 days away.

What is the analyst price target for ACMR?

The consensus analyst price target for ACMR is $113.20, about 39.9% above the current $80.92. Over the past 90 days, analysts recorded 0 upgrades, 0 maintains, and 0 downgrades.

How BestStocks tracks ACMR

This page is generated automatically by BestStocks' change-detection system after company news was detected and verified against independent data sources. It draws on 20 tracked change events for ACMR, cross-checked against the data sources listed below. Price, volume, and market-capitalization figures are the live intraday quote as of September 30, 2026 and refresh as new information is detected; for companies with multiple share classes, market-cap figures can differ by data source. Analyst price targets and ratings are FMP consensus. This is an educational summary of what changed and why — not personalized investment advice.

Data sources
FMP real-time & historical price dataCompany news feedsFMP earnings & estimatesAnalyst ratings & price targets (FMP)Earnings calendar (FMP)
Educational research tool — not personalized investment advice. Data may be delayed.