Unlock the Editor’s Digest for freeRoula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter.Index Ventures has raised more than $2bn to take advantage of recent breakthroughs in artificial intelligence, which the venture capital firm believes will ultimately reshape the entire economy. “It’s an incredibly exciting time to invest,” said Jan Hammer, a partner at Index, driven by a technological “platform shift” from AI that compares with the arrival of PCs, smartphon...