HGEN - BIIB EPR QDEL and AMC among midday movers

Gainers: Sundial Growers (SNDL) +79%.Aptevo Therapeutics (APVO) +60%.AMC Entertainment (AMC) +60%.Ashford Hospitality Trust (AHT) +58%.Cinemark Holdings (CNK) +56%.National CineMedia (NCMI) +48%.Tuniu (TOUR) +41%.EPR Properties (EPR) +41%.Dave & Buster's Entertainment (PLAY) +40%.Brookdale Senior Living (BKD) +39%.Losers: Arcturus Therapeutics (ARCT) -42%.HighPoint Resources (HPR) -35%.Altimmune (ALT) -33%.Quidel (QDEL) -32%.Humanigen (HGEN) -31%.Leap Therapeutics (LPTX) -30%.Biogen (BIIB) -29%.Atea Pharmaceuticals (AVIR) -24%.Fulgent Genetics (FLGT) -21%.CarParts.com (PRTS) -20%.

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BIIB, EPR, QDEL and AMC among midday movers