Today's Top Stock Gainers: Short Squeezes, Biotech Surges, and Defense Tech Expansion

Font: Financial Modeling Prep  • Jul 27, 2026

• T3 Defense Inc's impressive surge was fueled by its subsidiary's expansion of defense-proven technology into new industrial markets.
• A significant "short squeeze" appears to be the primary catalyst behind NextCure, Inc.'s substantial stock price increase.
• Despite ongoing legal investigations, both Forte Biosciences, Inc. and Twin Vee Powercats Co. experienced notable gains, showcasing complex market responses to company-specific news.

Today's market highlighted several top stock gainers. T3 Defense Inc (NASDAQ: DFNS) led with a 201.15% surge, closing at $13.10 on a volume of over 68 million shares. This follows news that its subsidiary, Industrial Techno-Logic Solutions, delivered an advanced composite materials production line, expanding its defense-proven technology into industrial building materials, a key development for the defense sector.

Forte Biosciences, Inc. (NASDAQ: FBRX) shares rose 39.65% to $76.50. The clinical-stage company is focused on its FB-102 program for autoimmune conditions. This gain occurs as an investigation into its sale to argenx BV was announced by Monteverde & Associates PC, as highlighted by PRNewsWire, adding a layer of complexity to the biotechnology stock's performance.

The Leverage Shares 2x Long BMNR Daily ETF (NASDAQ: BMNG) gained 26.26% to $15.27. This fund aims to deliver twice the daily performance of BMNR stock. Separately, Twin Vee Powercats Co. (NASDAQ: VEEE) rose 21.59% to $15.77, even as it faces an investigation by Halper Sadeh LLC over potential securities law violations, a common occurrence in today's dynamic stock market.

NextCure, Inc. (NASDAQ: NXTC) climbed 20.75% to $5.12. The stock's rise is notable given a 734.7% increase in short interest, as reported by Defense World. This means many investors bet the price would fall. Such a large price jump may indicate a "short squeeze," forcing those investors to buy back shares and driving the price higher, a significant event for short squeeze stocks.

In summary, the day's top market movers show varied drivers. DFNS's gain is linked to business expansion and innovation in industrial materials. In contrast, NXTC's surge suggests a short squeeze, a powerful market phenomenon. Meanwhile, FBRX and VEEE advanced despite news of legal investigations, reflecting a complex market response to company-specific events and highlighting the diverse factors influencing stock performance.