SK Hynix shares surge to hit $1 trillion valuation

The SK Hynix logo is seen above a printed circuit board. Sopa Images | Lightrocket | Getty Images Shares of SK Hynix jumped more than 11% on Wednesday, lifting the South Korean chipmaker’s market capitalization above $1 trillion as investors continued to pile into artificial intelligence-linked semiconductor stocks. The rally extended a blistering run that…

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Wall Street set for a winning week

Traders work on the floor of the New York Stock Exchange during morning trading on May 21, 2026 in New York City. Michael M. Santiago | Getty Images Hello, this is Leonie Kidd writing to you from London. Welcome to today’s edition of the Daily Open newsletter. What a difference a week makes. On Monday,…

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How the Iran war is raising costs for AI chip companies

The AI rally continued this earnings season. But companies building the underlying hardware powering the boom warned that the Iran war is putting pressure on their supply chains and profitability. A spiraling conflict in the Middle East has seen oil prices skyrocket and supply chains crucial to the tech sector hamstrung. Shortages of key chipmaking…

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Trump was big on tech stocks in early 2026, filings show

President Donald Trump speaks during a law enforcement leaders dinner celebrating the start of National Police Week in the Rose Garden at The White House in Washington, May 11, 2026. Aaron Schwartz | Bloomberg | Getty Images President Donald Trump reported thousands of financial transactions totaling hundreds of millions of dollars — including large purchases…

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