9.4 Market control 1 The Exchange shall control trading and thereby promote the transparency, efficiency and liquidity of the securities market with the aim of treating investors and participants equally within their peer groups, and of protecting investors. 2 The Exchange may interrupt trading, delete orders from the order book and declare invalid or cancel completed trades, or demand that participants reverse these trades. 3 The details are laid down in the "Market Control" Directive.
| 
