** Shares of biotechnology firm Windtree Therapeutics WINT.O rise 27.8% to $2.16 in afternoon trading
** WINT says it has entered into a licensing deal with Evofem Biosciences EVFM.PK for its birth control vaginal gel, Phexxi
** WINT will serve as the sourcing partner to Evofem and aims to produce Phexxi at a cheaper cost
** Co says Evofem will maintain ownership of the asset and continue to commercialize Phexxi in the U.S. and internationally
** Up to last close, WINT has fallen 99.4% in the past 12 months
(Reporting by Siddhi Mahatole)
((siddhi.mahatole@thomsonreuters.com))