> Why is it difficult to reverse the transactions? Why should the transactions be reversed? If things had gone according to plan, Knight would have made sever

> Why is it difficult to reverse the transactions? Why should the transactions be reversed? If things had gone according to plan, Knight would have made several million dollars that day, some likely because of a mistake by someone else or an unavoidable circumstance, just like it did on other days. Those other people weren't made whole, so why should Knight be any different?