The London Stock Exchange (LSE) is one of the primary locations where companies can list their shares, as well as a key location for peer-to-peer trading. This article covers everything you need to know about the LSE and how it impacts the financial markets. Competition among stock exchanges is fierce. However, not all of them are trying to achieve the same things with their services. The LSE, for example, is an association that operates two stock exchanges: The Main Market and The Alternative Trading Service (ATS). Both of these operate independently from one another, but they also share numerous commonalities in terms of who they cater to and how they operate.