AI News for October 30, 2026 — 7min.ai

[NEWS] Alphabet's 12.6% drop is its worst day ever, erasing $482B: Alphabet's Class A shares closed down 12.6% at $283.82, the worst day since trading began in 2004, erasing about $482B.
[NEWS] Amazon sinks 6% as capex hits $75.9B, despite AWS growing 39%: Amazon's Q3 revenue of $201.9B and profit of $20.7B both missed estimates, and its holiday outlook fell short at the midpoint.
[NEWS] Mistral releases open weights for trillion-parameter Large 4 model: Mistral published the weights for Mistral Large 4 ("Le Chonk") on Hugging Face three weeks after its public preview.
[NEWS] US spies suspected Chinese informant close to Jensen Huang, Trump took no action: US intelligence agencies believe a top executive at Singapore's Megaspeed, no relation to Jensen Huang, fed Beijing information while growing close to Nvidia CEO Jensen Huang.
[NEWS] Microsoft seeks at least $25B in first US bond sale since 2017: Microsoft is tapping the US investment-grade bond market for at least $25B, its first such offering in nearly a decade, to fund its AI buildout.
[NEWS] Reddit will require logins as AI search cuts its Google traffic: Reddit is moving to a primarily logged-in experience, starting with tests in select markets outside the US in the coming months.
[RESEARCH] Anthropic study: experts adopt an AI agent's random opinions as their own: Anthropic had 50 causal-inference experts work through four analytical tasks with an AI agent that picked between two valid options by coin toss.
[NEWS] Chinese labs shift distillation attacks from Claude to OpenAI's GPT-6 Astra: DeepSeek and Moonshot AI leaned heavily on GPT-6 Astra outputs to train their latest models, including Kimi K3.1 Pro and V4.1-Flash 1017.
[NEWS] OpenAI-backed Thrive Holdings buys ADT for $7.6B: Thrive Holdings is acquiring home security company ADT for $10 per share, or about $7.6B in equity and $15.3B in enterprise value.
[NEWS] Cohere raises at $20.5B valuation with backing from Canada and Nvidia: Cohere is raising a large round at a $20.5B valuation, roughly triple its value a year ago.

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