Credit Suisse AT1 Holders Lose Bid to See Confidential Files

A group of Credit Suisse bondholders lost their bid to obtain confidential files they hoped would bolster their challenge against 16.5 billion Swiss francs ($21.3 billion) in losses imposed by authorities during the lender’s rescue by UBS Group AG.

The Swiss Supreme Court on Tuesday ruled against giving the three investors access to the documents containing discussions between finance regulator Finma and UBS, who’d argued that they must remain private to ensure the “confidentiality of the exchange.”

A lower administrative court last October gave fresh hope to the thousands of holders of so-called AT1 bonds seeking to recoup some ...