QMCO - CHMA STIM WMG and NXGN among after-hours movers May, 26 2021 05:41 PM Quantum Corporation Gainers: [[CHMA]] +5.7%. [[STIM]] +5.2%. [[TMDX]] +3.3%. [[SELB]] +3.2%. [[CGEN]] +2.8%.Losers: [[WMG]] -12.8%. [[QMCO]] -4.8%. [[OKTA]] -4.2%. [[NXGN]] -3.9%. [[LIZI]] -3.8%. For further details see: CHMA, STIM, WMG and NXGN among after-hours movers