Premarket gainers: MRX +38%. STEM +20%. HEK +17%. VRX +13%. QCOR +9%. NTWK +9%. BPAX +7%. NAVB...

|By:, SA News Editor
Premarket gainers: MRX +38%. STEM +20%. HEK +17%. VRX +13%. QCOR +9%. NTWK +9%. BPAX +7%. NAVB +5%. VRNG +5%.
Losers: MNKD -12%.