The ink is barely dry on Deutsche Bank chief executive John Cryan’s restructuring of its corporate and investment bank, but the German bank’s latest plum mandate from Apple vindicates its renewed focus on core clients.

Deutsche Bank has spent 2016 watching its shares suffer more than most of its rivals amid concerns over European banks' capital buffers and ability to ride out the market volatility and low rate environment. The bank is also just months into a strategy revamp laid out by Cryan that entails big changes in investment banking, but on that front, things look promising.