GET DAILY SIGNALSWhy Is Amprius Technologies (AMPX) Stock Down -5.85% Today?
Key Takeaways
- AMPX shares fell 5.85% to $8.05, down from the prior session's close of $8.55.
- Primary catalyst: a continued post-earnings selloff after the company's Q3 EPS missed estimates and management trimmed its adjusted EBITDA outlook.
- Secondary driver: analysts tempered near-term expectations, including a price-target cut from Craig-Hallum.
- Broader context: the decline reflects profit-taking in a high-growth, pre-profit battery name that had rallied into its report.
- What traders are watching next: fourth-quarter gross-margin execution and management's ability to meet its raised revenue guidance.
- For more detail on this stock, explore its Price Targets, Earnings, and Forecast pages.
- Interested in automated trading ideas? Explore Trending AI Robots for data-driven strategies.
Opening Summary
Amprius Technologies, Inc. (AMPX), a developer of high-energy-density silicon-anode lithium-ion batteries for aviation, defense, and advanced mobility applications, saw its shares extend a multi-day slide on Wednesday. The stock traded at $8.05, down 5.85% from the prior session's close of $8.55, extending a decline that began after the company reported third-quarter results earlier this week. The move reflects ongoing market reaction to a wider-than-expected quarterly loss and a reduction in full-year adjusted EBITDA guidance, even as revenue beat expectations.
Earnings Miss and Guidance Cut
The primary catalyst behind the decline traces to Amprius's third-quarter report. The company posted revenue of $39.1 million, up 83% year over year and ahead of consensus estimates near $35.9 million. Gross profit surged to $10.5 million, and gross margin improved to 27% from 15% a year earlier. Yet profitability fell short of the bar: the company reported a loss of $0.02 per share, versus analyst expectations for a loss of roughly $0.01.
Investors focused less on the strong top line and more on the earnings leverage. Management raised its full-year 2026 revenue outlook to $145 million, its third increase of the year, but simultaneously cut adjusted EBITDA guidance to at least $2.5 million from more than $4 million. The reduction reflected higher research and development, sales, and contract-manufacturing spending, as well as margin pressure from a shift toward cylindrical cells and elevated freight costs. For a company whose investment case rests on scaling toward profitability, the softer profit trajectory weighed on sentiment.
Analyst Reactions
Sell-side commentary added to the pressure. Craig-Hallum lowered its price target to $19 from $24, keeping a Buy rating, while noting that EBITDA and EPS missed expectations as gross margin was pressured by product mix and higher operating expenses. Other firms reiterated constructive ratings — H.C. Wainwright maintained a Buy with an $18 target and Roth MKM reiterated Buy at $22 — but the downward revision to one prominent target reinforced the near-term caution already reflected in the post-earnings slide.
Market Context and Trading Activity
The stock's move came amid a broader pattern of profit-taking in speculative, high-growth names that had rallied into their earnings releases. Amprius entered the week near the lower end of its 52-week range, having climbed in the days before its report, and the earnings reaction erased much of that advance. The shares remained well below their 52-week high and closer to their recent lows, underscoring the stock's volatility and the sensitivity of its valuation to execution metrics rather than revenue growth alone. The decline did not appear driven by a broad market selloff, but rather by stock-specific earnings dynamics.
What Comes Next for AMPX
Looking ahead, investors will focus on whether Amprius can deliver the fourth-quarter gross-margin step-up implied by its full-year target of at least 28%. The company's defense and aviation pipeline remains a key pillar of the bull case, supported by a $75 million U.S. Department of War contract and growing demand for drones and unmanned systems. At the same time, risks remain: operating expenses are rising faster than revenue, cash declined during the quarter, and the path to sustained profitability depends on executing against demanding margin assumptions. Management is scheduled to appear at investor conferences later this month, which may offer further clarity on demand and margin trajectory.
Trending AI Robots
Tickeron's Trending AI Robots page curates a selection of automated trading strategies that have demonstrated strong performance under current market conditions. Tickeron offers hundreds of AI trading bots covering thousands of tickers, with strategies that vary by approach, timeframe, performance metrics, and traded symbols. Only the strongest performers are featured in this dedicated section, giving traders a focused view of data-driven ideas. Explore the Trending AI Robots page to see which strategies are currently leading the market.
Disclaimer
The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full disclaimer.
Contributor
Sergey Savastiouk, Ph.D. has a degree in Applied Mathematics from Moscow University and has extensive experience as an entrepreneur, investor, manager, and mathematician. His professional expertise is in applied mathematics, mathematical modeling, system and pattern analysis, and software and hardware system integration. He has served as the CEO of several hi-tech start-up companies and nonprofit organizations, which has given him proven capabilities in business strategy for high-tech start-up companies, market assessment, company formation, team building, product development, marketing, and sales. He has published numerous articles in journals and magazines on related fields. As a retail investor, he spent 15 years developing his proprietary trading and quantitative algorithms (now Tickeron’s A.I.), which brought him significant returns in trading the stock market. His current work and goal in founding Tickeron is to bring professional, sophisticated stock market analysis capabilities to retail investors via an easy-to-use interface.
Momentum Indicator for AMPX turns negative, indicating new downward trend
AMPX saw its Momentum Indicator move below the 0 level on November 11, 2026. This is an indication that the stock could be shifting in to a new downward move. Traders may want to consider selling the stock or exploring put options. Tickeron's A.I.dvisor looked at 77 similar instances where the indicator turned negative. In 72 of the 77 cases, the stock moved further down in the following days. The odds of a decline are at 90%.
Technical Analysis (Indicators)
Bearish Trend Analysis
The Stochastic Oscillator has been in the overbought zone for 1 day. Expect a price pull-back in the near future.
AMPX moved below its 50-day moving average on November 11, 2026 date and that indicates a change from an upward trend to a downward trend.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where AMPX 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 89%.
The Aroon Indicator for AMPX entered a downward trend on November 10, 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.
Bullish Trend Analysis
The RSI Indicator points to a transition from a downward trend to an upward trend -- in cases where AMPX's RSI Indicator exited the oversold zone, 21 of 31 resulted in an increase in price. Tickeron's analysis proposes that the odds of a continued upward trend are 68%.
The Moving Average Convergence Divergence (MACD) for AMPX just turned positive on October 27, 2026. Looking at past instances where AMPX's MACD turned positive, the stock continued to rise in 30 of 37 cases over the following month. The odds of a continued upward trend are 81%.
Following a +26.60% 3-day Advance, the price is estimated to grow further. Considering data from situations where AMPX advanced for three days, in 167 of 199 cases, the price rose further within the following month. The odds of a continued upward trend are 84%.
AMPX may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
Fundamental Analysis (Ratings)
The Tickeron PE Growth Rating for this company is 27 (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 46 (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 (10.139) is normal, around the industry mean (2.765). P/E Ratio (-30.069) is within average values for comparable stocks, (13.467). Projected Growth (PEG Ratio) (0.000) is also within normal values, averaging (2.910). Dividend Yield (0.000) settles around the average of (0.091) among similar stocks. P/S Ratio (11.351) is also within normal values, averaging (9.055).
The Tickeron Price Growth Rating for this company is 75 (best 1 - 100 worst), indicating slightly worse than average price growth. AMPX’s price grows at a lower rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron SMR rating for this company is 97 (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.
The Tickeron Profit vs. Risk Rating rating for this company is 100 (best 1 - 100 worst), indicating that the returns do not compensate for the risks. AMPX’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 89, placing this stock worse than average.
Notable companies
Industry description
Market Cap
High and low price notable news
Volume
Fundamental Analysis Ratings
The average fundamental analysis ratings, where 1 is best and 100 is worst, are as follows
Advertisement
General Information
Industry ElectricalProducts
Advertisement