ARM Holdings is trading at ARS 18,320, down 7.05%, as investors react to Oracle's force majeure notice regarding potential delays for its Project Jupiter data center expansion. - Oracle's notice has raised concerns about the timeline of the crucial data-center project, directly impacting investor confidence in ARM's exposure to such developments. - This significant decline follows a period of rally for ARM shares, highlighting the market's sensitivity to unexpected project uncertainties from major partners. - While CFO Jason Child's recent sale of 10,400 shares for approximately $3.12 million on September 21, 2026, under a pre-arranged Rule 10b5-1 plan, was previously disclosed, current market sentiment is primarily driven by the Oracle development.