Why DaVita Inc. Sank Lower Today

Warren Buffett might like it, but DaVita (NYSE: DVA) was down 9.7% at 3:42 p.m. EDT, after an analyst at J.P. Morgan downgraded the kidney-dialysis company from neutral to underweight, citing legal battles as a reason to be skeptical of DaVita's prospects.

Earlier this year, DaVita and fellow dialysis company Fresenius Medical Care (NYSE: FMS) received subpoenas from the U.S. Department of Justice over their contributions to the American Kidney Fund, a charity that provides financial assistance for patients who need dialysis.

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Source: Fool.com