** Shares of Archer Materials AXE.AX rise as much as 28.7%
to A$0.605, hitting their highest level since July 20, 2023
** Stock on track for best day since Feb. 23, if current
gains hold
** Semiconductor technology co says it has built a single
chip integrated pulsed electron spin resonance microsystem with
research partner École Polytechnique Fédérale de Lausanne (EPFL)
in Switzerland
** Says it is continuing to work with EPFL to build
significant capability in radiofrequency devices and circuit
design
** About 3.5 mln shares change hands, compared with the
30-day average volume of 606,858 shares
** Stock had risen 23.7% this year, as of last close
(Reporting by Shivangi Lahiri in Bengaluru)
((shivangi.lahiri@thomsonreuters.com))