Quantum is trading 10.37% higher at $18.74, with Cantor Fitzgerald’s coverage initiation the clearest company-specific catalyst; reports do not confirm it caused the move.
- On October 23, 2026, Cantor Fitzgerald initiated coverage with an Overweight rating and a $29 price target, reported by CNBC and Benzinga.
- Major indexes were modestly lower, and no reliable volume information was provided.