The $48bn giveaway comes amid concerns about the tech and as the company prepares for a stock market listing

Anthropic has said it will commit 5% of its shares to a fund for the “public good”, as the AI developer behind the Claude chatbot seeks to bolster its appeal before its stock market listing.

The company announced it would commit the shares, worth around $48bn (£36bn) at its latest valuation in May, subject to shareholder approval. It will add a further 2% of its stock to the fund for every 50% increase in its value above an undisclosed baseline.

Move to raise levy on goods made with polysilicon aims to protect domestic US supply chains from China, the major producer

Donald Trump has ordered a new 15% tariff on imported products made of polysilicon, an important ingredient in microchip manufacturing that is primarily produced by China.

The new tariff, which will take effect on 4 December, is aimed at supporting US chip and solar panel supply chains to compete with Beijing on artificial intelligence and energy.