London Stock Exchange, a diversified international markets infrastructure business, agreed to acquire MayStreet, a market data solutions provider. Financial terms were not disclosed. “We are delighted to be joining LSEG at an exciting time for the market. The demand for high quality, low latency data has never been greater. LSEG’s global scale and established position will enable us to better serve customers and offer innovative solutions to support trading and investment decisions," Patrick Flannery, MayStreet CEO.