Market numbers and silver, Nintendo moves

From the BBC World Service: Amazon has announced plans to double its investment in India by 2030 — to the tune of around $35 billion — with a focus on artificial intelligence and e-commerce. It comes after Microsoft and Google also laid out multibillion-dollar spending plans for AI in India. Also, the U.K.'s Royal Navy is developing ways to counter an increasingly serious threat from Russia to cut its critical undersea infrastructure.