Predictably, given the yo-yo nature of US trade and foreign policy, the Trump administration has stepped back from an outright ban on Huawei buying American components. Trade talks with China have resumed, with Huawei concessions apparently a key demand from Xi Jinping’s government. The first significant result was an agreement that Huawei could buy hi-tech equipment from US suppliers again. But though this is important in the short term, removing a possible roadblock to 5G expansion, in reality very little has changed as the hi-tech industry adjusts to a new global landscape. But how much difference will all this really make? China has redoubled its determination to achieve self-sufficiency in core chip technologies and 5G patents. Trump may have relented…