** Drug developer Allena Pharmaceutical's shares ALNA.O
fall 26.5% to $0.07 - among biggest pct loser across U.S. stock
exchanges premarket
** Co files for Chapter 11 bankruptcy and also terminates
employment of almost all of its employees late on Friday
urn:newsml:reuters.com:*:nEOLbDHFvW
** Co said it intends to continue operating at a reduced
level
** Adds it will not pursue hearing for Nasdaq warning to
de-list its stock and expects the stock to be suspended soon
** Up to Friday's close, stock had fallen ~82% this year
(Reporting by Khushi Mandowara)
((Khushi.Mandowara@thomsonreuters.com;))