Trump was hoping for Xi to call and negotiate a deal. Instead, Xi just raised the stakes. This impact not just Boeing, but any and all US aircraft component makers, from Spirit AeroSystems and Honeywell to GE and Garmin.
Also important to point out the China is the 2nd largest aircraft market in the world.
[SOURCE](https://www.channelnewsasia.com/business/china-orders-halts-boeing-jet-deliveries-bloomberg-news-reports-5066761)