Berkshire Hathaway sold its entire stakes in the four largest US airlines in April, chairman Warren Buffett said on Saturday at the company's annual meeting, saying the world has changed for the aviation industry.
Warren Buffett has said he wants to invest more in the UK and other parts of Europe, despite uncertainty over the UK's future relationship with the EU. The US investment guru said he would like his firm, Berkshire Hathaway, to be better known across the Atlantic.
The age of electrification across the transportation sector, the solar panel revolution, and Tesla's battery giga-factory are igniting a battle for the cheapest battery. That will transform lithium into a boom-time mineral and the hottest commodity on the energy investor's radar. It has been easy to take lithium for granted.
Mexican tycoon Carlos Slim has topped Forbes magazine's list of the world's richest billionaires for a fourth year. The magazine estimates that Mr Slim, whose business interests range from telecommunications to construction, is worth 73bn dollars.
President Barack Obama called on Monday for aggressive spending to boost growth and for higher taxes on the rich, laying out an election-year vision for the US in a budget that was criticized sharply by Republicans for failing to curb the deficit.
President Barack Obama has attacked income inequality as he set the tone for his re-election bid in his third State of the Union speech. Obama emphasised the importance of an economy that works for everyone, in the nationally televised address to Congress.