Polyrizon (PLRZ) Stock Soars Over 130% on Nasal Spray Breakthrough: Is This Micro-Cap Biotech the Next Big Winner or a Speculative Trap?
On December 2, 2025, Polyrizon Ltd. (NASDAQ: PLRZ) went from obscure micro-cap to center stage as its stock exploded more than 130% in a single session after the company announced a key manufacturing milestone for its flagship nasal spray platform.