The ECB's chief supervisor, Daniele Nouy, was on the wires this Wednesday, warning that individual banks could fail and that markets should take note of the banking regulations. Although Nouy did not comment on the wider monetary policy in her speech. Key Quotes: Whoever takes imprudent decisions will have to bear the costs. That is the new reality. Individual banks can fail and they will fail. There is no doubt about that. For more information, read our latest forex news.