International Business Machines is trading at $227.28, up 3.07%, after advancing to Stage C, the final phase of DARPA’s Quantum Benchmarking Initiative. - Independent experts will test its quantum hardware and architecture. - The announcement was reported October 8 and is a plausible company-specific catalyst, though coverage notes the stock reaction has been limited. - Broader markets were weaker, so the gain was not aligned with the day’s risk-off market direction.