Kraft Heinz

Radical approach to social and environmental issues can boost business in the long run

European tech stocks approaching dotcom bubble-era highs

French food company has not benefited from pandemic in way other rivals have

Food company discloses further $1.2 billion of write-downs as first-half profit falls by half

Shares down 20% after food and beverage group reports $15.4bn writedown on brands

Company’s market value slumped 30% this week as it warned of lower-than-expected earnings

Drop offset by strong growth in China and Indonesia

Move comes as other investors like George Soros and Carl Icahn have sold their shares

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