QTREX Quantum Ltd. is trading 18% up in pre-market at $2.24 following the announcement of a major technical and strategic milestone. - The company successfully produced a cryogenic chip carrier using its proprietary single-build Additively Manufactured Electronics (AME) process, expanding its platform into the quantum processor-interface layer. - This development follows a June 15 rally triggered by a validation milestone for its AME technology, which then experienced a pullback due to a regulatory probe and profit-taking. - The current rebound suggests investor enthusiasm for the company's continued advancements in quantum computing infrastructure.