The recent financial crisis had a tremendous impact and left its mark on the economies around the globe. Consequently, regulatory changes were induced to make the banking sector more resilient and to reinforce the institutes' financial stability. In particular, the need of dealing with risks posed by "too big to fail" corporations became apparent. This work analyses three different events associated with the Basel III standards and the Swiss finish for their impact on shareholder value of Swiss firms by means of the event study methodology.