The 'Big Bang' refers to the major changes introduced on the London Stock Exchange (LSE) on 27 October 1986, aimed at deregulating and modernizing market operations.
A system of trading on a stock exchange in which the functions of stockbroker and stockjobber are carried out by separate firms. Dual capacity existed on the London Stock Exchange prior to October 1986 when a single-capacity system was introduced.
A market maker is a dealer in securities introducing liquidity to the market by buying and selling as a principal and setting prices for transactions.
