The ‘sage of Omaha’ tackles big pharma, hedge funds, climate change and obesity during five-hour Q&A session at agm

The Dyson Supersonic, ‘accidental pirates’ and Warren Buffett’s 92-year-old sidekick

Farewell to the Brics, morality and the hedge fund manager and exploiting inattention

Investment managers are struggling to give advice as even emerging markets don’t look attractive

Crowd of 38,000 hear chief executive say break-up of Berkshire Hathaway would be ‘terrible mistake’

Berkshire Hathaway annual meeting draws 20,000 motivated shareholders