Iran War Chokepoints Begin to Cast Doubt on Global Chip Supply

As the war in the Middle East stretches into a third week, the global semiconductor industry is facing mounting threats the conflict will choke off key supplies vital for chipmaking and spike the cost of power in Taiwan — the foundation of today’s technology industry.

While Taiwan Semiconductor Manufacturing Co. and government officials have offered reassurances, investors, analysts and executives in the industry warn the risks are increasing as the fighting drags on. The island’s vast chipmaking sector — which drives about a fifth of the economy — depends on a sweeping array of chemicals, components, machinery and other materials ...