Global markets live: Nvidia, Novavax, Diageo, GSK, Vodacom…
Every day, the MarketScreener team selects the most important news about listed companies worldwide. Here's a short summary for your convenience:

North America:
- Nvidia is expanding its global AI influence by building Europe's largest AI campus in France and planning Taiwan's first AI supercomputer with Foxconn and TSMC.
- JPMorgan Chase anticipates increased charge-offs in its card portfolio by 2026, with investors seeking clarity on tariff impacts and succession plans.
- Blackstone and its infrastructure arm acquired TXNM Energy in deals totaling $11.5 billion.
- Sanmina acquired ZT Systems' data center infrastructure manufacturing business from AMD for up to $3 billion.
- Novavax shares surged after FDA approval of its COVID-19 vaccine for older adults and individuals with certain conditions.
- Microsoft redefines its partnership with OpenAI to position itself as a neutral AI technology provider.
- Boeing faces opposition from 737 MAX crash victims' families over a deal to avoid prosecution.
- TSMC plans to construct Taiwan's first AI supercomputer in collaboration with Nvidia and Foxconn.
Europe:
- Diageo launched a $500 million cost-saving plan to offset a $150 million impact from US tariffs, maintaining full-year guidance.
- Ryanair CEO Michael O'Leary negotiates discounts at Ukrainian airports and considers alternative Boeing delivery locations to evade tariffs.
- Stellantis appointed Xavier Chardon as the new CEO of Citroën, effective June 2, amidst uncertainties at the Poissy factory.
- Volvo Cars initiated a share buyback program to repurchase up to 12.5 million shares for 400 million SEK.
- Getlink suspended operations of the ElecLink electrical interconnector for two weeks to inspect a cable misalignment.
- KKR and Stonepeak Partners pursue a 1.61 billion-pound bid for Assura, asserting it as superior despite a higher counteroffer.
- Vodafone Idea faced legal challenges in India as the top court rejected its petition to write off debt.
Rest of the World:
- Huawei introduces laptops with HarmonyOS to compete with Microsoft and Apple.
- Xiaomi is set to launch the YU7 electric SUV to compete with Tesla's Model Y in China and plans a $7 billion investment in chip design.
- HKEX appointed Herbert Hui Leung Wah as the new Group CFO, succeeding Vanessa Lau Bik Yun.
- GSK received approval in Japan for its Blenrep combinations as a treatment for myeloma.
- Vodacom reported a 1.3% increase in annual earnings amid currency volatility.
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Qatar Airways reported a 28% increase in net profits.
- Poland seized tyres intended for Boeing aircraft bound for Russia, violating EU sanctions.