LONDON (Reuters) – Private equity funds are seeking a minority stake in information provider Benchmark Mineral Intelligence (BMI), aiming to gain exposure to the electric-vehicle battery supply chain, two sources with direct knowledge of the matter said. UK-based Hg Capital and Bowmark Capital are two of several private equity firms seeking to buy a stake of up to 20% in Benchmark, which the sources says is valued in excess of 200 million pounds. The sources did not name other firms looking to buy a stake. Bowmark said it doesn’t comment on market rumours and Benchmark and Hg Capital declined …