** Shares of Australia's oil and gas firm Santos STO.AX
slump 7.4% so far this week, set for worst weekly drop since
June 2022
** STO shares down 0.4% on Friday, on track to drop for a
third consecutive session, if losses hold
** Santos and bigger rival Woodside Energy WDS.AX on
Wednesday said they ceased discussions for a proposed $52
billion merger, sending the former's shares 5.8% lower
** The talks, first announced in December, fell apart as the
two companies could not agree on a valuation level, according to
two sources with direct knowledge of the matter
** STO stock down 3.4% this year, as of last close
(Reporting by Poonam Behura in Bengaluru)
((Poonam.Behura@thomsonreuters.com;))