Apple, Nvidia and other tech company stocks rebounded on Monday, after the Trump administration said tariffs affecting the electronics industry on products like smartphones are coming later.

iPhone assembly is currently done in mainland China by companies such as Taiwan’s Foxconn and Pegatron and to a lesser extent in India, where Tata is building capacity as an Apple supplier. It is the final step in a vast chain of Apple suppliers, most of which are currently based in Asia.