Berkshire Hathaway's (BRK.A) accumulation of a 13%, $1.45B stake in DaVita HealthCare (DVA) over...

|About: Berkshire Hathaway Inc (BRK.A)|By:, SA News Editor

Berkshire Hathaway's (BRK.A) accumulation of a 13%, $1.45B stake in DaVita HealthCare (DVA) over the past year has stoked speculation that Berkshire will offer to buy the whole of the dialysis-center operator. Berkshire followed a similar path with railroad Burlington Northern Santa Fe and insurer Geico, which it bought after building up stakes.