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Aya Wagatsuma

Stay informed with Aya Wagatsuma’s coverage and analysis.

AI boom makes 139-year-old cable company Japan’s hottest stock
Finance
AI boom makes 139-year-old cable company Japan’s hottest stock
By Aya Wagatsuma and BloombergNovember 24, 2024
Warren Buffett credits Japan’s trading houses for their ‘superior’ shareholder-friendly policies, days after the country’s stock market broke a 35-year-old record
Finance
Warren Buffett credits Japan’s trading houses for their ‘superior’ shareholder-friendly policies, days after the country’s stock market broke a 35-year-old record
By Aya Wagatsuma and BloombergFebruary 26, 2024
Shohei Ohtani’s record $700m contract with the LA Dodgers is boosting his sponsors’ stock prices and expected to have a $437m impact in just one year
Finance
Shohei Ohtani’s record $700m contract with the LA Dodgers is boosting his sponsors’ stock prices and expected to have a $437m impact in just one year
By Aya Wagatsuma and BloombergDecember 11, 2023
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Cybersecurity
OpenAI says its AI models secretly broke out of a secure test environment and hacked into AI company Hugging Face in order to cheat on an evaluationplaceholder alt text
By Jeremy Kahn and Emily ForliniJuly 21, 2026
Success
Mark Cuban says he has the solution to growing income inequality, and it's to reward every employee—from CEO to janitor—with company stockplaceholder alt text
By Sasha RogelbergJuly 20, 2026
AI
Mathematicians grapple with a ‘very rapid and very unsettling change’ as AI cracks yet another century-old problemplaceholder alt text
By Eva RoytburgJuly 21, 2026
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