Tech stocks tumble on concerns over AI spendingA sudden wave of selling in major tech shares triggers doubt over the sustainability of the AI boom.2 hrs agoBusiness

Chinese e-commerce giant Alibaba sues US government over defence blacklistIt is suing the US defence department after it was added to a list of firms with ties to the Chinese military.15 hrs agoUS & Canada

Alibaba sues US military over labelling it a ‘Chinese military company’

US to probe petrol price gouging claims, Trump saysThe president's remarks come as global oil prices have fallen but remain higher than before the US-Israel war with Iran.45 mins agoBusiness

China takes US crown for world’s fastest supercomputer

Ten years on, Brexit's economic impact is becoming clearerA decade ago, many economists argued the UK would sustain longer-term economic damage by leaving the EU. So what did happen?5 hrs agoBBC InDepth

SpaceX shares drop below debut price before jumping amid $600bn sell-off

The economic challenges facing the next UK prime ministerThough the person in charge of the country will change, the fiscal issues remain the same.5 hrs agoBusiness

Five Eyes intelligence alliance warns of threats from new AI models

US watchdog opens probe after Tesla crashes into Texas home, killing woman

No fuel for sale as Ukraine's blockade of Russian-occupied Crimea takes effectIn the biggest city Sevastopol, one resident told the BBC he had bought a back-up generator but had nothing to power it with.2 hrs agoEurope

Former US Federal Reserve Chairman Alan Greenspan dies at age 100

Stop pretending EU's new border system is working, says airports chiefThe head of Europe's airports lobby says concerns over EES are keeping him awake at night and he doesn't know how airports will cope over the summer.1 hr agoBusiness

Canada’s inflation hits 29-month high amid heightened oil prices

Millions in UK could claim share of £3bn after Apple case given green lightApple rejected the suggestion its practices are anti-competitive, saying many customers rely on third-party alternatives.11 hrs agoTechnology

Qatar LNG factory explosion injures 54, leaves 18 missing, gov’t says

Guinea bans exports of raw gold to boost local refiningThe prohibition is intended to boost the country's economy by refining gold domestically.14 hrs agoAfrica