These mid-cap stocks were the best performers in the last week. Are they in your portfolio? Bilibili Inc. (NASDAQ:BILI) shares rose 23.32% following last week’s release of ‘San Guo: Mou Ding Tian Xia.’ Also, JP Morgan analyst Daniel Chen upgraded Bilibili from Neutral to Overweight and announced a $21 price forecast.ImmunityBio, Inc. (NASDAQ:IBRX) shares jumped 22.36% on continued strength after the announcement of insurance coverage of ANKTIVA across multiple states with the first commercial doses administered.Sasol Ltd. (NYSE:SSL) shares escalated 20.89% after the company announced that the …