UBS Chief Executive Officer Sergio Ermotti talks about the bank's performance in the second quarter as it raid net income was $2.4 billion in the three months to June, compared with estimates for $2.2 billion. He also discusses Switzerland's planned bank capital rules, and says that having a global diversified business is a strength for UBS and for Switzerland, and "shrinking is definitely not an option." Ermotti also discusses trade and tariff uncertainty. He speaks with Bloomberg's Francine Lacqua.