Richard Waters For all its huge potential, the field of artificial intelligence has been something of a backwater in the investment world. There are companies that have ridden the AI wave in important ways: Google claims to have refined many of its services with the help of AI, machine learning has boosted sales of Nvidia’s graphics processing units and TikTok’s algorithm is reputedly a big part of what keeps users coming back to its short videos. But it’s hard to find...