SK Hynix plunged more than 10% in Seoul on Tuesday as a broad selloff in semiconductor stocks spread across Asian markets, extending losses from Wall Street amid growing uncertainty over AI data center spending.

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Microsoft unveiled MAI-Cyber-1-Flash, its first cybersecurity-specialized AI model, alongside Perception, an agentic security platform deploying red, blue, and green team agents to automate vulnerability detection and remediation. Both tools are slated for preview on November 3.

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Former FBI Director James Comey filed a motion Monday asking a federal judge to dismiss his indictment on charges of threatening President Trump, arguing the "8647" seashells photo is protected political speech, not a true threat.

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Changxin Technology Group's shares surged nearly 466% on their Shanghai STAR Market debut Monday, giving the Hefei-based DRAM chipmaker a market cap of roughly 3.3 trillion yuan and making it China's most valuable listed company.

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Federal prosecutors have charged American citizen Sam Tunick for allegedly using a GrapheneOS "duress password" to wipe his phone during a border detention at Atlanta's Hartsfield-Jackson airport in January 2025, testing a rarely invoked statute on destruction of property.

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