Transformation under Zack Polanski has made the party a viable leftwing alternative to the government

Fear of Farage is mobilising voters, but frustration with government means Britons will find alternative beneficiaries

Plenty of readers admit to using AI already; others have major concerns

By-election result shows split in leftwing vote which could be replicated at May local elections

Fall in index raises questions over whether recent improvement in economic indicators will continue

Extra tax obtained from the 2,000 largest businesses doubles in three years

UK prime minister further weakened after Labour pushed into third place in traditional stronghold

Tariff wars may de-escalate but companies in the US and elsewhere are still expected to serve their country first

US holding talks with companies to identify vulnerabilities in Chinese networks

Spiralling electricity demand threatens to hold the US back in its technological race with China

Investment by Beijing has transformed the country’s institutions despite lingering questions about research quality and intellectual freedom

Gorton and Denton loss a severe setback to Prime Minister Keir Starmer after divisive campaign

Group’s shares surge 25% as CEO says ‘most companies are late’ to realise how much technology will affect employment

CEO Dario Amodei says start-up ‘cannot in good conscience’ agree to US government’s terms

FS KKR shares tumble 15% as markdowns highlight growing strains in debt extended to unlisted companies

Strains at the company’s first retail-focused fund have sent a chill through the broader sector

Streaming company’s decision ends months-long battle to buy parent of CNN, HBO and franchises such as Harry Potter

A company etched in Silicon Valley folklore as a disrupter needs reinvention

London-based Erdit Hoxha will join Izzy Englander’s firm that manages $86bn of assets

Oman’s foreign minister says the two countries are set to meet again following round of negotiations in Geneva

Former secretary of state issues blistering statement in closed-door testimony to lawmakers

Results from chip group gave Wall Street indices an early knock but ‘progress’ in US-Iran talks aid afternoon recovery

Probe into former commissioner for trade is expected to be wide-ranging

Issue is expected to come under the spotlight in chancellor Rachel Reeves’ Spring Statement