Core Viewpoint - DaVita's shares declined significantly following a weak profit outlook for 2025, attributed to rising patient care costs and center closure expenses, while Berkshire Hathaway reduced its stake in the company [1][2]. Group 1: Financial Performance - DaVita's adjusted profit per share for 2025 is projected to be between 10.20and11.30, falling short of analysts' average expectation of 11.24pershare[2].−Thecompany′sfourthquarterearningswerereportedat2.24 per share on an adjusted basis, exceeding analysts' estimates of 2.13pershare[3].Group2:CostFactors−Thedisappointingguidanceislinkedtoincreasingpatientcarecosts,whichincludeexpensesrelatedtotheclosureofdialysiscentersandhealthbenefits[2].−Inthefourthquarter,DaVitaincurredchargestotaling24.2 million due to the closure of its dialysis centers in the U.S. [2].