Arcus Biosciences, Inc. (RCUS) is trading 11.50 percent lower at 22.25,down2.89 on Friday, after announcing the discontinuation of its Phase 3 STAR-221 study conducted with Gilead Sciences. The stock opened at 21.15andhastradedbetween20.35 and 24.00sofarontheNewYorkStockExchange.Thebidsitsat22.54 and the ask at 22.60,withvolumeat4,426,823versusanaverageof1,561,846.Arcussharesarenowtradingwellofftheirrecentpeak,withina52−weekrangeof6.50 to $26.40. For comm ...