(Bloomberg) Julius Baer Group Ltd. said it would exit its private debt business after writing down all of its loans to the bankrupt Signa companies, and confirmed that Chief Executive Officer Philipp Rickenbacher is stepping down as a result of the scandal. Most Read from BloombergTrump Risks Losing More Than Half of Swing-State Voters If Found GuiltyMusk’s $55 Billion Pay Package Voided, Threatening World’s Biggest FortuneHouse Passes $78 Billion Business, Child Tax Break BillS&P 500 Has Its