Premarket gainers: SVNT +12%. RVBD +11%. CALL +7%. SNDK +7%. Losers: CBLI -20%. ATHN -11%. CMG...

|By:, SA News Editor
Premarket gainers: SVNT +12%. RVBD +11%. CALL +7%. SNDK +7%.
Losers: CBLI -20%. ATHN -11%. CMG -11%. MRVL -9%. PH -9%. ETFC -6%.