(Reuters) -Shares of UnitedHealth Group surged nearly 14% on Friday after billionaire Warren Buffett's Berkshire Hathaway ...

Rising costs in the broader healthcare sector and about a 40% slump in UnitedHealth's shares this year have left the Dow lagging its Wall Street peers on the road to record highs. The price-weighted ...

Axon Enterprise has more than tripled its revenues in the last five years. But some simple advice from Warren Buffett has our ...