** Boab Metals BML.AX jumps as much as 15% to A$0.23, highest since December 2023
** Base and precious metals developer secures approval under Federal Environment Protection and Biodiversity Act for its Sorby Hills silver-lead-zinc project in Western Australia
** Approval permits development of planned open-pit operation, supporting infrastructure at site
** Around 2.2 mln shares traded, 2.8x the 30-day avg
** BML last up 5%, taking YTD gains to 27.3%
(Reporting by Shruti Agarwal in Bengaluru)
((Shruti.Agarwal@thomsonreuters.com))