https://www.reuters.com/article/us-huawei-tech-usa-arm/chip-designer-arm-halts-work-with-huawei-after-u-s-ban-idUSKCN1SS1A9

British chip designer ARM has halted relations with Huawei [HWT.L] in order to comply with a United States blockade of the company, potentially crippling the Chinese company's ability to make new chips for its future smartphones.