Debby Wu

Stay informed with Debby Wu’s coverage and analysis for Fortune.

The Tokyo Electron Kyushu Ltd. head office in Kikuyo, Kumamoto Prefecture, Japan, on Friday, Feb. 23, 2024. Taiwan Semiconductor Manufacturing Co.’s (TSMC) officially opened its Kumamoto fab on Feb. 24, putting it on track to begin mass production later this year. Photographer: Toru Hanai/Bloomberg via Getty Images

TSMC secrets leak puts Japan’s Tokyo Electron on hot seat

By Takashi Mochizuki, Debby Wu, and others

TSMC revenue climbs 39% in latest sign of AI spending boom

By Debby Wu and Bloomberg

C.C Wei, Chairman and CEO of Taiwan Semiconductor Manufacturing Company (TSMC) answers questions during the company’s annual shareholders’ meeting in Hsinchu on June 3, 2025. (Photo by I-Hwa Cheng / AFP) (Photo by I-HWA CHENG/AFP via Getty Images)

TSMC flags delays in Japan after ‘warm’ talks with Trump

By Debby Wu and Bloomberg

HANGZHOU, CHINA – DECEMBER 4, 2024 – Customers buy Mate 70 series mobile phones at a Huawei store in Hangzhou, East China’s Zhejiang province, Dec 4, 2024. (Photo credit should read CFOTO/Future Publishing via Getty Images)

Huawei’s new Mate 70 phone shows its chip advances are stalling

By Vlad Savov, Debby Wu, and others

FUZHOU, CHINA – AUGUST 19: A Huawei Ascend AI chip is on display during a Huawei Data Infrastructure Summit at Fuzhou Digital China Convention and Exhibition Center on August 19, 2020 in Fuzhou, Fujian Province of China. (Photo by Zhang Bin/China News Service via Getty Images)

China’s chip advances stall as U.S. curbs hit Huawei AI Product

By Gao Yuan, Debby Wu, and others

Jensen Huang

Nvidia chip delays risk eroding its AI edge

By Debby Wu, Ian King, and others

Leading chipmaker TSMC evacuates staff and pauses some machinery after Taiwan’s largest earthquake in a quarter-century

By Debby Wu and Bloomberg

C.C. Wei, chief executive officer of of Taiwan Semiconductor Manufacturing Co. (TSMC), speaks during a “First Tool-In” ceremony at the TSMC facility under construction in Phoenix, Arizona, US, on Tuesday, Dec. 6, 2022. TSMC today announced plans to boost its investment in the state to $40 billion and construct a second production facility, following major customers urging the Taiwanese chipmaker to build more advanced semiconductors in the US. Photographer: Caitlin O’Hara/Bloomberg via Getty Images

TSMC CEO warns of weakening trust among countries after U.S. blacklists Chinese companies in computer chips tussle

By Debby Wu and Bloomberg

SUN VALLEY, IDAHO – JULY 07: Chairman and CEO of Berkshire Hathaway Warren Buffett rides in a golf cart at the Allen & Company Sun Valley Conference on July 07, 2021 in Sun Valley, Idaho. After a year hiatus due to the COVID-19 pandemic, the world’s most wealthy and powerful businesspeople from the media, finance, and technology worlds will converge at the Sun Valley Resort for the exclusive weeklong conference. (Photo by Kevin Dietsch/Getty Images)

TSMC shares soar after Warren Buffett, who rarely invests in tech stocks, buys a $5 billion stake

By Debby Wu and Bloomberg

ZHENGZHOU, CHINA – OCTOBER 30: Staff members work at a service point to provide water and food for Foxconn employees before their departure on October 30, 2022 in Zhengzhou, Henan Province of China. Shuttle buses have been arranged by local authorities to facilitate the return trips of Foxconn factory workers to their hometowns after COVID-19 infections were reported in the city Zhengzhou. (Photo by VCG/VCG via Getty Images)

Apple says China’s lockdown of ‘iPhone City’ has led to ‘significantly reduced capacity’ ahead of the holidays

By Debby Wu, Mark Gurman, and others

House Speaker Nancy Pelosi

Nancy Pelosi lands in Taiwan, defying Chinese warnings of a military response

By Debby Wu, Cindy Wang, and others

SHENZHEN, CHINA – OCTOBER 16: (CHINA OUT) Employees attend the award ceremony for grass roots employees of the year at Foxconn’s industrial complex in Longhua township on October 16, 2010 in Shenzhen of Guangdong Province, China. Foxconn, the world’s largest electronics contract manufacturer, has been plagued by a string of worker suicides in its Shenzhen factories, reportedly eleven since January of 2010 believed to be related to allegations of employee mistreatment. In response the suicides Foxconn increased the wages of its workers and installed suicide-prevention netting at some of its facilities. Foxconn most notably manufactures components for Apple’s iPhone and iPod. (Photo by China Photos/Getty Images)

Foxconn’s key iPhone plant operating in locked-down China region

By Debby Wu and Bloomberg

2021 Computing Conference

New Alibaba server chip is a milestone in China’s drive for semiconductor self-sufficiency

By Coco Liu, Debby Wu, and others

A man passes by iPhone 13 Pro ad on an Apple storefront in Krakow, Poland on September 30, 2021. (Photo by Jakub Porzycki/NurPhoto via Getty Images)

Apple expected to cut iPhone 13 production goal by 10 million this year on major chip shortage

By Debby Wu and Bloomberg

YICHANG, CHINA – MAY 14, 2021 – Citizens show the chips inside mobile phones in Yichang, central China’s Hubei province, May 14, 2021. The chip shortage has spread from cars to smartphones and home appliances.
 (Photo credit should read Costfoto/Barcroft Media via Getty Images)

Shares of this obscure chip component supplier have surged by over 1200% in the past three years

By Debby Wu, Takashi Mochizuki, and others