Microsoft boosts Nasdaq 0.5% midday after announcing a 27% stake in OpenAI; AI stocks catch a strong bid. Apple briefly hits $4 trillion valuation before slipping; iPhone sales steady investor nerves ...

LangChain and LangGraph have patched three high-severity and critical bugs.

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The president characterized Iran’s permission as a “sign of respect.” Israel said it launched a wave of strikes targeting infrastructure in Tehran and other areas, and Iran retaliated. President Trump ...