HCTI is trading at $2.38 (16.7% up) in after-hours trading, extending a technical rebound. This movement follows the company's filing of a Certificate of Designations, Rights and Preferences of Series C Convertible Preferred Stock on June 26, 2026. - The stock gained 6.25% to $2.04 during regular trading hours on June 26, 2026. - The filing designates 23,000 shares of Series C Convertible Preferred Stock with a stated value of $1,000 per share.