Global shares are trading mixed after Wall Street’s tech superstars tumbled as a competitor from China raised doubts over the recent artificial-intelligence market frenzy. Shares rose in early Tuesday trading in Germany and Britain while falling in France.

Donald Trump said DeepSeek should act as a “wake up call” for American companies after its emergence sparked a near $1 trillion stock market rout. The President hailed the arrival of the Chinese AI start-up as “positive”, adding it was good that companies in China have come up with a cheaper, faster method of artificial intelligence.

World shares advanced Friday after U.S. stocks rose to a record and the Bank of Japan raised its key lending rate.

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World shares were mostly lower on Monday after U.S. stocks edged back from their all-time high, with many Asian markets closed for holidays. In early European trading,

The same tech companies that have benefitted from the AI frenzy in the past year were getting pummeled before markets even officially opened on Monday.

The Nasdaq could face market-cap losses of nearly $1 trillion if premarket declines hold into the close of trading.

World shares declined as U.S. stocks fell from record highs, with European markets also dropping. Hong Kong's Hang Seng gained due to a Chinese AI startup.

Global stocks are mixed as Trump's tariff comments stir uncertainty, impacting Asian markets. European stocks edge higher, buoyed by AI investment news, while U.S. markets show cautious optimism.

Global stocks mostly rose as China's economy met its 5% growth target, boosting European markets. Asian shares had mixed results, with TSMC gaining on AI-driven profits. U.S. markets dipped on earnings reports.

Netflix, Oracle and other technology stocks are lifting U.S. indexes as their profits pile higher and excitement builds around artificial intelligence. The S&P 500 was up 0.5% early Wednesday.

The popularity of lower cost China startup DeepSeek heightened jitters ahead of a big few days for mega-cap results. Elsewhere, low-cost airline Ryanair has downgraded its passenger growth target due to Boeing delivery delays.