Nvidia, the world’s leading chipmaker, announced plans to invest $5bn in Intel and collaborate with the struggling semiconductor company on products.One month after the Trump administration confirmed it had taken a 10% stake in Intel – the latest extraordinary intervention by the White House in corporate America – Nvidia said it would team up with the firm to work on custom data centers that form the backbone of artificial intelligence (AI) infrastructure, as well as personal computer products.Shares in Int ...