** Shares of payments firm Block XYZ.N surge ~26% to $68.58 after the bell
** Co says it will cut over 4,000 jobs, nearly half its workforce, as advances in AI reshape how it builds and runs its business
** "Intelligence tools have changed what it means to build and run a company" - Block CEO Jack Dorsey
** XYZ expects to incur roughly $450 million to $500 million in restructuring charges in Q1
** Co reports adjusted profit of 65 cents per share in Q4, vs 47 cents, a year earlier
** Stock down 16% YTD, through previous close
(Reporting by Manya Saini in Bengaluru)
((Manya.Saini@thomsonreuters.com))