I suppose this excercise should be thrusted by independent arm of the regulatory authorities accross the globe. There are many tools available that enable forensic accouting but the will is what remains feeble. And so the analysis post the event. As there is an element of greed behind all investments in general, in my opinion, I believe independent agencies just like audit firms that are part of government/regulatory agencies should provide these analysis on an ongoing basis for all listed companies and for the benefit of the investing society at large to keep a check on entities timely and trigger necessary actions when identifiying red flags. This concurrent activity coupled with regular investment reports should provide more advantange to the investment community and build confidence and avoid billions lost that are not easy to earn in form of money or reputation of the profession.