 Stealth BioTherapeutics Corp NASDAQ:MITO was up 13 on Thursday . The company traded as high as 1.74 and last traded at 1.56, approximately 316,522 shares were traded during mid-day trading. A decline of 49 from the average daily volume of 615,354 shares. The stock had previously closed at 1.38. Several brokerages have commented on MITO. ... 