HPK - AAL UAL and CLSN among pre market gainers

Antares Pharma ATRS +49% on ~$1B acquisition deal by Halozyme. Sierra Oncology SRRA +37% GSK to acquire Sierra Oncology for $1.9B to bolster specialty meds. BriaCell Therapeutics (BCTX) +17% receives FDA fast track approval for targeted breast cancer immunotherapy. HighPeak Energy (HPK) +13%. CTI BioPharma (CTIC) +12%. 4D pharma (LBPS) +10%. Alzamend Neuro (ALZN) +10%. DatChat (DATS) +8% announces Opening of Metaverse Corporate Headquarters and VenV?? Demo Centers. aTyr Pharma LIFE +7% following Orphan Drug Status for efzofitimod. Delta Air Lines DAL +7% on Q1 results. Celsion (CLSN) +5%. Kaixin Auto (KXIN) +6%. Cyren (CYRN) +5%. American Airlines (AAL) +5%. United Airlines (UAL) +5%.

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AAL, UAL and CLSN among pre market gainers