The economy has natural market mechanisms that help. With the  BIS central bankers’ speeches  1  higher prices these sectors command on the world markets, profits, job markets and wages heat up, attracting more investors and more workers.
For example, two large Swiss banks, which were among the best capitalised, also came under stress during the crisis. Lack of transparency in the OTC markets was another major factor which led to build up of risks in the system. Information about the position building was not available even with the regulators, leave alone the counterparties.