** Shares of drug developer Wave Life Sciences WVE.O rise 4.5% to $10.50 premarket
** Co reports Q4 diluted income per share of 18 cents, compared with loss of 15 cents a year ago
** WVE posts Q4 revenue of $83.7 million vs $29.1 million a year earlier
** As of last close, stock is down 18.8% YTD
(Reporting by Jaiveer Singh Shekhawat in Bengaluru)
((JaiveerSingh.Shekhawat@thomsonreuters.com;))