** Shares of AdAlta 1AD.AX rise as much as 33.4% to A$0.004, its biggest intraday pct gain in over a month
** Stock touches its highest level since November 24
** Biotech firm says co and unit, AdCella have signed partnership agreement with Shanghai Cell Therapy Group to co-develop Chinese cell tech co's cancer treatment, BZDS1901, to markets outside China
** BZDS1901 targets specific proteins, treating aggressive and fatal cancers such as mesothelioma
** Stock fell 77.7% in 2025
(Reporting by Aamir Sheik Khalid in Bengaluru)
((Aamir.SheikKhalid@thomsonreuters.com))