<prompt> Translate the following text to EnglishKwa kuongezea, kama tulivyoona katika kesi ya shughuli mbalimbali za derivatives zinazohusisha Enron, Qwest na Global Crossing, wakati mwingine waigizaji wabaya huungana ili kusaidia kufikia malengo yao.  <response>: In addition, as we have seen in the case of various derivatives transactions involving Enron, Qwest and Global Crossing, sometimes bad actors join forces to help achieve their goals. 