** Shares of Sera Prognostics SERA.O more than quadruple
to a near 2-yr high of $9.86; last up 232.4% in afternoon trade
** Stock set for its biggest one day pct rise, if gains hold
** Co says that its blood test to predict preterm birth
risks, PreTRM, met its primary goals, following which the
trial's data review board recommended stopping enrollment in the
study
** SERA says it will stop enrollment to focus on analyzing
and reporting available data
** Including session's move, stock has soared more than
fivefold YTD
(Reporting by Puyaan Singh)
((Puyaan.Singh@thomsonreuters.com;))