QTREX Quantum Ltd. is trading 10% up today at $2.21, extending its rebound. The surge follows the announcement of a management share purchase plan. - CEO, Chairman, and senior management intend to purchase up to 2,000,000 ordinary shares using personal funds over the next 12 months. - The company recently experienced significant volatility, including a late-May rally from a quantum-computing partnership and a subsequent pullback due to a regulatory probe.