Following a sharp fall on Monday, European bank bonds rose once again, including Additional Tier 1 (AT1) bonds issued by companies such as Deutsche Bank, BNP Paribas, UBS and Credit Suisse whose bonds were written down to zero as part of a rescue merger with UBS. Holders of AT1 debt were told that they would only suffer losses after shareholders had been wiped out. The loss of Credit Suisse AT1s is believed to pose little or no risk to the stability of other European banks. However, the bank debt market remained vulnerable, according to Joost Beaumont of ABN AMRO.