The Broadcom-Qualcomm deal is dead, forbidden by a presidential order. It is a permanent ban that forbids any future acquisition, merger or deal with similar consequences. Broadcom's nominee's for the Qualcomm board of directors have been disqualified by the same order. The presidential order cites "credible evidence" that the deal might threaten national security. It does not go into detail, but the Committee on Foreign Investment in the US (CFIUS) said that Qualcomm's leadership in wireless patents for 5G are key to national security. If Qualcomm is impeded in its R&D, Chinese companies...
Source: https://www.gsmarena.com/presidential_order_bans_broadcoms_proposed_acquisition_of_qualcomm-news-30061.php
