Why These 10 Stocks Are Moving Today: October 28, 2026

The market is seeing significant volatility today, led by a massive surge in Ultralife Corporation following acquisition news. Alongside this, several other stocks are experiencing unusual volume and price action, highlighting a day of intense activity across the small-cap and tech sectors.

ULBI (Ultralife Corporation) — up 145.8% Ultralife Corporation is the day's standout mover after news broke that EnerSys has agreed to acquire the company in an all-cash transaction valued at $320 million, or $16 per share. The move began in after-hours trading and continued into the current session, with volume reaching 1.27 million shares, or 25.7x its three-month average. What to watch next: Investors are monitoring the regulatory approval process for the $16 per share cash deal.

BRAI (Braiin Limited) — up 50.4% Braiin Limited is rallying following the company's recent expansion into the global real estate software market with its new ARIA agentic AI workforce. The stock has seen heavy interest, with volume hitting 30.56 million shares, representing 35.4x its normal average. What to watch next: Keep an eye on further adoption metrics for the RADIUS CX platform.

LUNG (Pulmonx Corporation) — up 37.5% Pulmonx Corporation is moving on high volume, with 2.98 million shares traded, or 6x its three-month average. The move appears to be part of a broader trend of unusual intraday activity detected by our scanners. What to watch next: Watch for any upcoming clinical or operational updates from the company.

ATII (Archimedes Tech SPAC Partners II Co) — up 36.8% Archimedes Tech SPAC Partners II Co is seeing a sharp move to $9.81 on 214.5K volume. The stock is currently ranked as one of the top movers across our tracked universe. What to watch next: Monitor for any potential merger or acquisition news typical of the SPAC sector.

POM (Pomdoctor Limited) — up 35.5% Pomdoctor Limited is surging on 19.96 million shares, which is 15.4x its three-month average volume. The stock is currently trading at $1.88. What to watch next: Watch for any official company filings or press releases to explain the sudden volume spike.

BOOM (DMC Global Inc.) — up 34.5% DMC Global Inc. is seeing significant interest, with 4.27 million shares traded, or 26.5x its average volume. The stock is currently priced at $7.19. What to watch next: Investors are watching for updates regarding the company's ongoing put option obligations.

AIOK (AI OKTO CORP.) — up 30.5% AI OKTO CORP. is up 30.5% to $17.51 on 10.13 million shares. The stock is currently ranked #3 across our full tracked universe. What to watch next: Monitor for any new partnerships or AI-related product announcements.

ONCO (Onconetix, Inc.) — up 28.7% Onconetix, Inc. is moving on 21.60 million shares, 7.4x its average volume. The stock is trading at $0.61. What to watch next: Watch for any news regarding potential M&A activity or clinical developments.

VSME (Forcendra Holding Limited) — up 28.1% Forcendra Holding Limited is up 28.1% to $1.05 on 295.4K volume. The stock is currently ranked #10 across our tracked universe. What to watch next: Monitor for any corporate updates or sector-specific news.

GLMD (Galmed Pharmaceuticals Ltd.) — up 21.1% Galmed Pharmaceuticals Ltd. is seeing a surge on 301.2K volume, which is 39.8x its three-month average. The stock is trading at $4.63. What to watch next: Watch for any upcoming clinical trial data or regulatory filings.

What Other Outlets Are Reporting * Ultralife Shares Surge 144.65% After Hours on EnerSys Deal - Benzinga * Braiin Launches ARIA Agentic AI Workforce - Yahoo Finance * DMC Global: Avoid At All Costs - Seeking Alpha

Key Takeaways * M&A activity is a primary driver for today's top movers, specifically the acquisition of Ultralife Corporation. * AI-focused companies like Braiin Limited continue to see high volatility and volume spikes. * Unusual volume remains a consistent theme across the top 10 movers, with several stocks trading at over 20x their three-month averages. Disclaimer: This article is for informational purposes only and does not constitute financial advice. Always conduct your own research before making investment decisions.