Tesla CEO tells our CNBC colleagues Stateside that this year will be challenging for the electric car maker. In a wide-ranging exclusive interview, Musk said that U.S.-China trade tensions should concern everyone. We also hear from Microsoft CEO Satya Nadella who says Musk is wrong to claim that the software maker controls OpenAI. U.S. President shortens his Asian tour to return to help secure a debt ceiling agreement to avoid a default. In banking news, UBS says it will suffer a $17bn hit from its takeover of former rival Credit Suisse as it aims to close the deal by next month. Siemens raises its FY outlook, now expecting comparable revenue growth of 9-11 per cent for the year.  See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.