By Katharina Bart ZURICH (Reuters) - Credit Suisse's quarterly earnings beat expectations on Wednesday as a restructuring of its investment bank compensated for a surprising slide in private banking profits. Zurich-based Credit Suisse relies on stable revenues from wealthy clients to balance risk from the investment bank. But wealth income has suffered as a global crackdown on tax evasion challenges Swiss bank secrecy, prompting wealthy Europeans to withdraw funds from the country for fear of prosecution. ...
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