
Pre-market Movers: SAG, OPTN, PRA, AKBA, ADTX.
The following are some of the stocks making big moves in Thursday's pre-market trading (as of 08.25 A.M. ET). In the Green Sag Holdings Inc (SAG) is up over 67% at $1.13. OptiNose (OPTN) is up over 58% at $9.5. ProAssurance Corporation (PRA) is up over …