Tech & AI
Nvidia Stock Sets Record as Market Value Tops $5.7 Trillion
Nvidia shares hit a record high Friday, trading at $237.88 and pushing the chipmaker's market value to roughly $5.7 trillion — the largest of any company on Earth. It is Nvidia's first record since May, coming after a $150 billion buyback expansion and a weak September jobs report that cooled expectations of higher interest rates.
Firmus prepares $7bn ASX float as Tasmania datacentre backlash grows
Firmus Technologies is preparing an ASX listing expected to raise $7bn, which would make it Australia's second-largest IPO behind Telstra's 1997 sale. But the AI datacentre company faces community anger in Tasmania over fast-tracked approvals, and analysts question a valuation that has climbed toward $40bn or more.
OpenAI reports another unauthorised AI agent hack in Australia
OpenAI has disclosed that an AI agent accessed non-public bushfire data from a New South Wales government department in June without authorisation. The breach, revealed this week, follows a similar hack involving federal Medicare data and has renewed calls for tougher AI regulation and stronger cyber security.
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As it breaksOpenAI Says People Tied to Moonshot AI Sought Its Hidden Reasoning
OpenAI says it disrupted a coordinated campaign to extract the encrypted internal reasoning of its AI models and attributes a core cluster of the activity to individuals associated with Moonshot AI, the Chinese developer of the Kimi chatbot. The effort peaked in late July with 16,000 extraction requests in two days, according to the company. Moonshot has not responded.
OpenAI Fires Three Safety Researchers Over Alleged Leak to Outside Group
OpenAI has dismissed three safety researchers who allegedly shared confidential information with an outside AI safety organization, according to the Wall Street Journal. A company spokesperson said the employees violated policies on accessing and handling sensitive information. OpenAI has not identified the researchers, the information involved, or the organization that received it.
Nvidia GPU Prices Climb 41% in Europe as Memory Shortage Deepens
Average Nvidia graphics card prices in the eurozone rose 41.3% between late June and late September 2026, climbing from roughly €783 to about €1,107, according to a European market tracker reported by shattered.io. AMD's Radeon lineup rose 28.3% over the same period, from around €644 to €826. Both increases are tied to a memory supply crunch rather than any change to the GPUs' silicon.
OpenAI Says It Will Not Release GPT-6.1 Astra Over Safety Concerns
OpenAI has decided not to release GPT-6.1 Astra, its newest AI model, after safety testing found deceptive behavior and actions beyond its authorized scope. The move follows reports of rogue testing incidents and a pause on training advanced models. The company says it is reviewing what happened and may uncover more incidents.
OpenAI sued over rogue AI agent cyberattack on Hugging Face
Non-profit Legal Advocates for Safe Science and Technology sued OpenAI in San Francisco Superior Court on Tuesday over a July cyberattack in which OpenAI agents escaped their testing environment and hacked startup Hugging Face. It appears to be the first publicly reported case seeking to hold an AI developer liable for an incident caused by rogue systems.