UBS posted higher than expected profit in the second quarter, as strong client inflows and investment banking revenue helped bolster CEO Sergio Ermotti’s efforts to return capital to shareholders.The Zurich-based bank said net income was $1.1 billion, about double analyst estimates. The key wealth management business saw strong client inflows, with $27 billion in net new assets in the period. Ermotti spoke with Bloomberg's Francine Lacqua in Zurich.