** Shares of ALS Ltd ALQ.AX rise as much as 7.12% to
A$11.44, their highest level since Oct 12
** Stock set for its best day since May 2021, if gains hold
** The Australian professional technical services provider
reports half-yearly underlying continuing revenue of A$1,285 mln
($819.32 mln), up 7.4% YoY
** Says half-yearly underlying continuing NPAT of A$158 mln,
above the top-end of outlook range by 2.2%
** ALS stock down 12.7% this year, as of last close
($1 = 1.5684 Australian dollars)
(Reporting by Sherin Sunny in Bengaluru)
((Sherin.Sunny@thomsonreuters.com))