Forward of Congressional listening to on GameStop, Vlad Tenev denies Robinhood colluded with hedge funds, asks for revision of SEC rule so trades settle in real-time (Allana Akhtar/Insider)

Allana Akhtar / Insider: Forward of Congressional listening to on GameStop, Vlad Tenev denies Robinhood colluded with hedge funds, asks

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Graphcore, which designs chips for AI functions, asks UK regulator to dam Nvidia's acquisition of Arm on the grounds that it’s anti-competitive (Sam Shead/CNBC)

Sam Shead / CNBC: Graphcore, which designs chips for AI functions, asks UK regulator to dam Nvidia’s acquisition of Arm

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