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NASDAQ:PLRZ 2 December 2025 - 8 December 2025

Polyrizon (PLRZ) Stock Explodes on Naloxone Hydrogel Breakthrough and PL‑14 Upscaling – What Investors Should Know Now

Polyrizon (PLRZ) Stock Explodes on Naloxone Hydrogel Breakthrough and PL‑14 Upscaling – What Investors Should Know Now

Polyrizon shares surged over 100% to the mid-teens on December 4, 2025, with volume topping 26 million after announcing a manufacturing milestone for its PL‑14 Allergy Blocker and promising preclinical data for its naloxone hydrogel. The stock saw heavy volatility and mixed analyst signals, with “Strong Sell” ratings alongside momentum-driven “Buy” calls. The Israel-based biotech has no approved products.
4 December 2025
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Polyrizon (PLRZ) Stock Doubles on Naloxone Hydrogel Breakthrough and PL‑14 Manufacturing Milestone – What Investors Need to Know on December 4, 2025

Polyrizon (PLRZ) Stock Doubles on Naloxone Hydrogel Breakthrough and PL‑14 Manufacturing Milestone – What Investors Need to Know on December 4, 2025

Polyrizon Ltd. shares surged to $13–15 by early afternoon December 4, more than doubling from the previous close of $7.09, after hitting intraday highs above $18. The rally followed news of a manufacturing milestone for its PL‑14 allergy nasal spray and new preclinical data showing improved mucoadhesion for its naloxone hydrogel. Polyrizon, based in Israel, has no approved products and reported a 2024 net loss of about $1.5 million.
4 December 2025
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Polyrizon Ltd (PLRZ) Stock Soars on Nasal Spray Milestone: Latest News, AI Forecasts and Risk Outlook – December 3, 2025

Polyrizon Ltd (PLRZ) Stock Soars on Nasal Spray Milestone: Latest News, AI Forecasts and Risk Outlook – December 3, 2025

Polyrizon Ltd shares surged 130% on December 2 after announcing a manufacturing upscaling milestone for its PL‑14 nasal allergy blocker. The stock closed at $7.33, up from $3.16, with trading volume near 150 million shares. The Israeli biotech, which has no approved products or revenue, now trades around $6 pre-market. Polyrizon develops intranasal hydrogel sprays and remains in the pre-commercial stage.
3 December 2025
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Polyrizon (PLRZ) Stock Soars Over 130% on Nasal Spray Breakthrough: Is This Micro-Cap Biotech the Next Big Winner or a Speculative Trap?

Polyrizon (PLRZ) Stock Soars Over 130% on Nasal Spray Breakthrough: Is This Micro-Cap Biotech the Next Big Winner or a Speculative Trap?

Polyrizon Ltd. shares surged 131.96% on December 2, 2025, closing at $7.33 after announcing a key manufacturing milestone for its PL-14 nasal spray. Intraday trading saw prices swing between $5.85 and $8.36 on volume over 148 million shares. The Israeli biotech, still pre-commercial with no approved products or revenue, now holds a market cap near $14–15 million.
2 December 2025
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