Quantum is trading 6.01% up at $33.29; available reporting does not confirm a specific cause for the September 29 move.
- On September 28, Quantum appointed James C. Clancy chief operating officer; he resigned from the board to take the role. His remit includes advancing operational and strategic execution, revenue growth, and customer success.
- The broad market backdrop was mixed, with supplied index readings near flat, so it does not clearly explain the gain. Quantum also rallied in recent sessions, gaining 13.55% on September 24 and 7.43% on September 25.