Quantum (NASDAQ:QMCO – Get Free Report) issued its earnings results on Monday. Quantum Stock Up 55.6%Shares of QMCO stock traded up $6.55 during mid-day trading on Tuesday, hitting $18.33. Weiss Ratings reissued a “sell (d-)” rating on shares of Quantum in a research note on Wednesday, June 24th. Get Our Latest Analysis on QMCOTrending Headlines about QuantumHere are the key news stories impacting Quantum this week:Positive Sentiment: Quantum exceeded quarterly expectations. Quantum Company Profile(Get Free Report)Quantum Corporation (NASDAQ: QMCO) is a technology company that develops and delivers data management and storage solutions for businesses and organizations worldwide.