** Shares of antibacterial treatments developer ETTX.O
surge 20.6% to $2.17 - set for biggest one-day pct jump since
early February
** Stock is among top 5 pct gainers on Nasdaq composite
index .IXIC
** Innoviva Inc INVA.O to acquire Entasis in cash deal
valuing latter at $113 mln urn:newsml:reuters.com:*:nBw1DpHqha
** INVA to acquire all outstanding shares of Entasis it does
not already own for $2.20 apiece, representing a premium of 22%
to ETTX's last close
** INVA currently owns about 60% of outstanding shares of
Entasis common stock, buyout deal is expected to close in Q3 -
companies
** ETTX's lead drug candidate, SUL-DUR, achieved main,
secondary goals in late-stage study and a marketing application
is expected to be filed with U.S. regulators in Q3 - companies
** Innoviva is royalty management company and has portfolio
of respiratory drugs partnered with drugmaker GSK Plc GSK.L
** Stock down nearly 1% YTD, including session's moves
(Reporting by Amruta Khandekar)
((Amruta.Khandekar@thomsonreuters.com;))