Shares of Mirum Pharmaceuticals, Inc. (NASDAQ:MIRM – Get Free Report) gapped down before the market opened on Thursday following a dissappointing earnings announcement. Mirum Pharmaceuticals shares last traded at $96.1780, with a volume of 727,686 shares changing hands. Mirum Pharmaceuticals had a negative net margin of 140.24% and a negative return on equity of 11.28%. Get Mirum Pharmaceuticals alerts:Key Mirum Pharmaceuticals NewsHere are the key news stories impacting Mirum Pharmaceuticals this week:Positive Sentiment: Mirum reported second-quarter revenue of $176.24 million, above the $166.33 million analyst estimate and up 37.9% year over year. Further ReadingReceive News & Ratings for Mirum Pharmaceuticals Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Mirum Pharmaceuticals and related companies with MarketBeat.com's FREE daily email newsletter.