The impact of the Trump administration’s threats to choke Huawei reverberated across the global supply chain on Monday, hitting some of the biggest component makers.

Germany’s Infineon Technologies fell in early trading Monday after the Nikkei reported it halted shipments to the Chinese company in the wake of the US ban. Shares of STMicroelectronics were also hit.

The share price falls follow US corporations freezing the supply of critical software and components to China’s largest technology company, in order to comply with White House orders.

The Trump administration on Friday blacklisted Huawei and threatened to cut it off from the US software and semiconductors

Chip makers including Intel, Qualcomm, Xilinx and Broadcom have told their employees they will not supply Huawei till further notice, according to people familiar with their actions. Google cut off the supply of hardware and some software services to the Chinese giant, another person familiar said, asking not to be identified discussing private matters.

The moves, which had been anticipated, hamstring the world’s largest provider of networking gear and number-two smartphone vendor. The Trump administration on Friday blacklisted Huawei — which it accuses of aiding Beijing in espionage — and threatened to cut it off from the US software and semiconductors it needs to make its products.

Blocking the sale to Huawei of critical components could also disrupt the businesses of American chip giants like Micron Technology and retard the roll-out of critical 5G wireless networks worldwide — including in China. That in turn could hurt US companies that are increasingly reliant on the world’s second largest economy for growth.

Ripple effects

If fully implemented, the Trump administration action could have ripple effects across the global semiconductor industry. Intel is the main supplier of server chips to the Chinese company, Qualcomm provides it with processors and modems for many of its smartphones, Xilinx sells programmable chips used in networking and Broadcom is a supplier of switching chips, another key component in some types of networking machinery. Representatives for the chip makers declined to comment.

Huawei “is heavily dependent on U.S. semiconductor products and would be seriously crippled without supply of key US components,” said Ryan Koontz, an analyst with Rosenblatt Securities. The US ban “may cause China to delay its 5G network build until the ban is lifted, having an impact on many global component suppliers”.

Huawei’s US$500-million bond due in 2027 was indicated 0.3c on the dollar lower at 93.8c at 2pm in Hong Kong. That’s after it posted a record drop of 2.4c on Friday. The ban’s commencement also walloped shares of Asian tech supply chain companies Monday. Sunny Optical Technology Group was again the worst performer on Hong Kong’s Hang Seng Index, while Luxshare Precision Industry dove as much as 9.8% in Shenzhen.

The American companies’ moves are likely to escalate tensions between Washington and Beijing, elevating fears that President Donald Trump’s goal is to contain China, triggering a protracted cold war between the world’s biggest economies. In addition to a trade fight that has rattled global markets for months, the US has pressured both allies and foes to avoid using Huawei for 5G networks that will form the backbone of the modern economy.

“The extreme scenario of Huawei’s telecoms network unit failing would set China back many years and might even be viewed as an act of war by China,” Koontz wrote. “Such a failure would have massive global telecom market implications.”

US spy chiefs have in past days briefed American companies, investors and other important groups on the dangers of doing business with China, the Financial Times reported on Monday.

Huawei was one of a select few global hardware partners to receive early access to the latest Android software and features from Google

The American clampdown also deals a direct blow to Huawei’s fast-growing mobile devices division. Huawei will only be able to access the public version of Google’s Android mobile operating system, the world’s most popular smartphone software. It won’t be able to offer proprietary apps and services from Maps and search to Gmail, said the person, who requested anonymity speaking about a private matter. That will severely curtail the sale of Huawei smartphones abroad, though it’s unclear when those apps — which are popular mainly outside of China — will become unavailable.

Huawei, the world’s largest smartphone brand after Samsung Electronics, was one of a select few global hardware partners to receive early access to the latest Android software and features from Google. Outside of China, those ties are critical for the search giant to spread its consumer apps and bolster its mobile ads business.

The Chinese company will still have access to app and security updates that come with the open-source version of Android. Reuters reported the move earlier. “We are complying with the order and reviewing the implications,” a Google representative said, without elaborating. — Reported by Ian King, Mark Bergen and Ben Brody, with assistance from Yuji Nakamura, Gao Yuan, Cindy Wang and Neha D’silva, (c) 2019 Bloomberg LP