** Shares of drug developer Eton Pharmaceuticals ETON.O
rise 31.5% to $3.42 premarket
** ETON late on Thursday reported Q2 profit vs year ago
loss, driven by robust demand for its cortisol hormone
replacement therapy and hyperammonemia treatment
** Hyperammonemia is a rare genetic disorder which causes
elevated blood levels of ammonia
** Co reported Q2 adj. profit of $0.15/shr, vs year ago loss
of $0.06/shr
** Analysts were expecting a loss of $0.09/shr -Refinitiv
** Co posted total revenues of $12 mln vs analysts'
estimates of $6.5 mln -Refinitiv
** Up to last close, stock down 7.8% YTD
(Reporting by Mariam Sunny in Bengaluru)
((Mariam.ESunny@thomsonreuters.com;))