(Bloomberg) -- UBS Group AG says it won’t hand over a stash of privileged documents for a probe into Credit Suisse’s handling of Nazi-linked accounts after failing to win assurances that doing so wouldn’t expose it to new financial claims. UBS said Thursday it had weighed giving the files to Neil Barofsky, who’s overseeing the probe into the Credit Suisse archives. But it changed its mind after a New York judge said he couldn’t shield it from future lawsuits. Tuesday’s court decision means UBS can no longer risk handing over the documents to him, Switzerland’s biggest bank said. UBS bought...