Here's why this Warren Buffett stock plunged 11% in a day

Shares of Davita Inc. (NYSE: DVA) plunged 11% on February 14, as the dialysis provider issued a weaker-than-expected 2025 earnings outlook, citing rising patient care costs, supply constraints, and ongoing dialysis center closures.The decline was compounded by Berkshire Hathaway (NYSE: BRK.A, BRK.B) reducing its stake in the company as part of a preplanned share repurchase agreement.Davita’s one-day stock price chart. Source: Google FinanceBy the close of trading on February 14, DaVita stock settled at $157 ...