Stifel analyst Derek Archila remains bullish and a buyer of Principia Biopharma (PRNB) shares ahead of the company's two Phase 2 readouts for PRN1008 in immune thrombocytopenia and pemphigus vulgaris. The shares could reach the mid-$50 range if results are positive, Archila tells investors in a research note. He believes the bogey for each study is not that high and keeps a Buy rating on Principia with a $45 price target. The two clinical catalysts, coupled with Phase 2 data expected in the first half of 2020 from the company's partnered program with Sanofi (SNY) in multiple sclerosis, offers "multiple shots for valuation creation" over the next nine months.

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