ACLS stock forecast, quote, news & analysis
Axcelis Technologies Inc designs, manufactures, and services ion implantation and other processing equipment used in the fabrication of semiconductor chips... Show more
Why Axcelis Technologies (ACLS) Stock Is Down -17% in the Last 30 Days
Key Takeaways
- ACLS declined roughly 17% over the last 30 days, sliding from about $126 to near $105 per share.
- The drop extended a longer slide of approximately 44% over the past quarter as margin concerns outweighed improving bookings.
- Second-quarter revenue rose 10.6% year over year, but non-GAAP gross margin narrowed to 42.7% from 45.2% a year earlier.
- A pending all-stock merger with Veeco Instruments remains subject to regulatory clearance in China.
- Investor focus has shifted to backlog rebuilding, margin recovery, and the company's China revenue concentration.
Axcelis Technologies (ACLS) Company Overview and Market Position
Axcelis Technologies, Inc., headquartered in Beverly, Massachusetts, designs and manufactures ion implantation equipment, one of the most critical steps in semiconductor fabrication. Its flagship Purion platform of ion implanters serves high-current, high-energy, and medium-current applications used in power devices, memory, image sensors, and mature-node logic. The company also generates recurring revenue through its Customer Solutions & Innovation (CS&I) aftermarket business, which provides service, consumables, and system upgrades. Axcelis competes in a concentrated capital-equipment segment where customer relationships, product reliability, and technology leadership in silicon carbide and high-energy implant applications matter most. Investors follow the stock closely because ion implantation demand acts as a leading indicator of broader semiconductor manufacturing activity.
Axcelis Technologies (ACLS) Stock Price Performance: Last 30 Days vs. Quarter
Over the last 30 days, ACLS fell from a closing price near $126.43 to approximately $104.60, a decline of about 17%. The move was not a single-day event but a steady grind lower punctuated by several down sessions in early September.
The quarterly trend is even steeper. From a closing level near $187.53 in mid-June, the stock has declined roughly 44%. After an early-July selloff, shares partially recovered through mid-August before resuming their downward trend. The combination of a short-term slide and a deeper multi-month drawdown signals that selling pressure has been persistent rather than event-driven.
What Drove ACLS Stock Price in the Last 30 Days
Several verified factors weighed on ACLS during the period. Although second-quarter results reported in early August beat revenue and earnings expectations, with revenue up 10.6% year over year to $215.2 million and non-GAAP EPS of $1.06, profitability lagged. Non-GAAP gross margin narrowed to 42.7% from 45.2% a year earlier, and non-GAAP operating margin fell to 14.7% from 17.7%, as product mix and higher service costs pressured results.
Backlog also remained a concern. Systems backlog ended the second quarter at $451.6 million, down 21.6% year over year, with a book-to-bill ratio around 1:1. Revenue concentration in China, which represented 46% of second-quarter revenue, added to investor sensitivity over regional demand and spending decisions. Valuation remained above the company's historical median, which analysts noted leaves less room for execution shortfalls. The pending merger with Veeco Instruments (VECO) also introduced uncertainty, as closing remains contingent on regulatory approval from China's State Administration for Market Regulation.
What Drove ACLS Stock Performance Over the Last Quarter
Over the past quarter, ACLS has been caught between an improving demand narrative and a still-recovering profit picture. Management raised its full-year 2026 revenue outlook to mid-single-digit growth and guided third-quarter revenue to approximately $230 million, but margins have not recovered at the same pace. Bookings rose 36.1% year over year, driven by memory and silicon carbide demand, yet that improvement has not yet rebuilt the backlog or translated into stronger earnings conversion.
Broader semiconductor equipment conditions have been mixed. Peers such as Applied Materials (AMAT) and Lam Research (LRCX) have reported strong artificial-intelligence-driven demand, but Axcelis's exposure to power, mature-node, and China markets has kept its recovery more gradual. The pending Veeco combination, announced in October 2025, continues to frame the longer-term story as investors weigh the strategic benefits against execution and regulatory risk.
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ACLS Stock Forecast Drivers: What Investors Should Watch Next
Looking ahead, investors are likely to monitor whether improving bookings translate into backlog growth and margin expansion. Third-quarter results and guidance will be a key checkpoint for validating the company's mid-single-digit 2026 revenue outlook. The status of the Veeco merger and any regulatory developments in China will also remain central, given the transaction's potential to broaden Axcelis's technology portfolio. Additional factors include silicon carbide demand, memory and high-bandwidth-memory capacity investments, and the pace of recovery in mature-node and power markets. Customer concentration and China revenue exposure remain important risks to watch alongside broader semiconductor capital-spending trends.
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ACLS's RSI Indicator climbs out of oversold territory
The RSI Oscillator for ACLS moved out of oversold territory on September 17, 2026. This could be a sign that the stock is shifting from a downward trend to an upward trend. Traders may want to buy the stock or call options. The A.I.dvisor looked at 33 similar instances when the indicator left oversold territory. In 28 of the 33 cases the stock moved higher. This puts the odds of a move higher at 85%.
Technical Analysis (Indicators)
Bullish Trend Analysis
The Momentum Indicator moved above the 0 level on September 23, 2026. You may want to consider a long position or call options on ACLS as a result. In 69 of 86 past instances where the momentum indicator moved above 0, the stock continued to climb. The odds of a continued upward trend are 80%.
The Moving Average Convergence Divergence (MACD) for ACLS just turned positive on September 21, 2026. Looking at past instances where ACLS's MACD turned positive, the stock continued to rise in 40 of 50 cases over the following month. The odds of a continued upward trend are 80%.
Following a +4.67% 3-day Advance, the price is estimated to grow further. Considering data from situations where ACLS advanced for three days, in 258 of 307 cases, the price rose further within the following month. The odds of a continued upward trend are 84%.
ACLS may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
Bearish Trend Analysis
The Stochastic Oscillator entered the overbought zone. Expect a price pull-back in the foreseeable future.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where ACLS declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 78%.
The Aroon Indicator for ACLS entered a downward trend on September 23, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.
Fundamental Analysis (Ratings)
The Tickeron PE Growth Rating for this company is 8 (best 1 - 100 worst), pointing to outstanding earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
The Tickeron Valuation Rating of 45 (best 1 - 100 worst) indicates that the company is fair valued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (3.432) is normal, around the industry mean (8.083). P/E Ratio (39.742) is within average values for comparable stocks, (165.446). Projected Growth (PEG Ratio) (0.330) is also within normal values, averaging (0.821). Dividend Yield (0.000) settles around the average of (0.002) among similar stocks. P/S Ratio (3.733) is also within normal values, averaging (27.897).
The Tickeron Price Growth Rating for this company is 61 (best 1 - 100 worst), indicating fairly steady price growth. ACLS’s price grows at a lower rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron Profit vs. Risk Rating rating for this company is 71 (best 1 - 100 worst), indicating that the returns do not compensate for the risks. ACLS’s unstable profits reported over time resulted in significant Drawdowns within these last five years. A stable profit reduces stock drawdown and volatility. The average Profit vs. Risk Rating rating for the industry is 61, placing this stock worse than average.
The Tickeron SMR rating for this company is 75 (best 1 - 100 worst), indicating weak sales and an unprofitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
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General Information
a manufacturer of semiconductor equipment
Industry ElectronicProductionEquipment