A sign hangs outside a UBS Group AG bank branch in Zurich, Switzerland, on Thursday, July 6, 2017. Switzerland is tightening capital requirements for PostFinance AG, Raiffeisen Schweiz and Zuercher Kantonalbank, three systemically important domestic banks, forcing them to set aside more funds to absorb losses and avoid government bailouts. Photographer: Michele Limina/Bloomberg via Getty Images
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