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US inflation jumps, though long-term war impact yet to be seen Hospitals consider replacing some radiologists with AI Amazon takes a jab at Nvidia over chips shift VCs step in to fund university upstarts Exclusive: Anthropic is gaining on OpenAI’s revenue, but hasn’t yet eclipsed it Exclusive: AI powerhouses threaten data processing firms A South African artist is changing the way viewers understand Picasso’s Guernica Airbnb faces familiar battle in Cape Town First look at war-related inflation sparks political jostling View: China’s state businesses are reshaping markets in Africa US issues Nigeria travel warning over terrorism, kidnapping FirstRand exits UK business after regulatory hit Afreximbank’s $800M answer to Fitch Exclusive: Navy takes nuclear-powered sub offline after $800 million cost run-up Cuba leader says he will not step down Fed, Treasury summon Wall Street chiefs over AI fears How Bluesky earned its reputation — and why it could be the way of the future China eyes stronger Taiwan influence Orbán slams Hungary’s opposition as he trails in polls Iran war reshapes air travel, perhaps for the long term Tehran residents embrace calm amid tenuous truce Countries lack fiscal capacity to handle war fallout Higher producer prices ease China deflation fears Trump ‘optimistic’ on Iran peace talks Inside the five-year succession plan at a $130B warehouse giant Georges Elhedery on HSBC’s big bets on the Gulf and Asia Warsh’s Fed hearing slips past next week Moore takes on the Sun’s ‘MAGA billionaire’ and more Debatable: AI titans influencing regulation Americans still think taxes are too high, poll finds Lawmakers await Pentagon’s mystery funding request Semafor convenes largest US CEO gathering next week in Washington American Gen Zers are growing more uneasy about AI Amazon defends high AI spending AI turbocharges Chinese microdrama industry OpenAI pauses UK Stargate project UK rejects Iran’s Hormuz toll plan Israel, Lebanon to hold direct talks Republicans fight among themselves over their long pre-election to-do list Exclusive: Gulf sovereigns quadruple private credit portfolios Abu Dhabi’s Mubadala soars after dealmaking spree View: Ceasefire offers respite, but no quick rebound for the Gulf A Saudi oil magazine is publishing some of the best writing about the Islamic world Exclusive: SpaceX bankers game plan to blunt post-IPO selling tsunami Exclusive: Hormuz closure turns truckers into logistics saviors View: As Republicans embrace AI in campaigning, Democrats bet on a backlash Oil prices remain high despite Iran ceasefire Ancient philosopher text unearthed Panama pushes back against China in canal row China’s yuan set to strengthen due to Middle East war View: Ceasefire shows the power of Iran’s energy weapon EU faces ‘stagflation’ over war, economy official warns Trump slams NATO again Iran war support Iran maintains firm grip on Hormuz traffic Israel’s attacks in Lebanon threaten Iran war truce VP Vance to lead Iran 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Surging chip stocks warp global markets
J.D. Capelouto · 2026-05-27 · via Semafor

Surging chip stocks are warping stock markets globally.

US-based Micron Technology on Tuesday hit a $1 trillion market value on strong demand for its memory chips; the tech-driven surge pushed US stock indices to new highs, despite the latest US strikes on Iran.

Chip giant TSMC’s rally largely drove Taiwan to become the world’s fifth-largest equity market this week, surpassing India, seen as an AI laggard.

The investor enthusiasm masks underperformance elsewhere; emerging market stocks are tanking if Asia’s three largest chipmakers are excluded.

The insatiable AI-fueled demand for chips is also posing geopolitical dilemmas.

US firms seeking new supply sources are wary of turning to China’s booming memory chip sector because of Washington’s export controls, The Wire China reported.

Chart showing Micron stock vs the S&P 500