Mavday — MarketsThe money behind AI: what AI, chip, data-centre and space-tech news means for the companies behind it and their shares. Company developments and economics, never investment advice.https://mavday.com/markets/en-GBHow Nebius, Cipher and TeraWulf pay for AI data centres, and why it mattered in the CoreWeave sell-offhttps://mavday.com/markets/ai-data-centre-financing-nebius-cipher-terawulf/https://mavday.com/markets/ai-data-centre-financing-nebius-cipher-terawulf/AI data-centre builders have sold more than $28bn of bonds and convertibles this year, and Cipher priced $850m more the day before the CoreWeave rout. Here is how each one funds itself, and the risks.Tue, 20 Oct 2026 00:00:00 GMTmarketsnebiuscipher-digitalterawulfneoclouddata-centresdebtconvertible-notesASML Q3 2026 results: record sales, and a warning that it cannot make enough machines for 2027 and 2028https://mavday.com/markets/asml-q3-2026-results-supply-shortfall/https://mavday.com/markets/asml-q3-2026-results-supply-shortfall/ASML sold a record €11.7bn in the third quarter and said planned supply for 2027 and 2028 will not fully meet customer demand. Here is what that means for AI chips, what the filings show, and how the shares moved.Tue, 20 Oct 2026 00:00:00 GMTmarketsasmlsemiconductorseuvai-chipsearningschipmaking-equipmentCoreWeave stock and bonds sell off: what its filings say about the debt behind the AI cloudhttps://mavday.com/markets/coreweave-bond-selloff-debt-october-2026/https://mavday.com/markets/coreweave-bond-selloff-debt-october-2026/CoreWeave shares fell by a third in two weeks and its 2031 bonds traded at yields near 16%. Here is what drove the sell-off, how much CoreWeave owes and when, and what the company has said.Tue, 20 Oct 2026 00:00:00 GMTmarketscoreweaveneocloudai-clouddata-centresdebtbondsMicrosoft pulls out of Nscale's Loughton AI data centre as grid power slips to the 2030shttps://mavday.com/markets/microsoft-nscale-loughton-grid-delay/https://mavday.com/markets/microsoft-nscale-loughton-grid-delay/Microsoft has confirmed it is leaving Nscale's planned AI supercomputer site in Essex, weeks before Nscale's US listing. The problem is not money or chips. It is getting power from Britain's grid.Tue, 20 Oct 2026 00:00:00 GMTmarketsmicrosoftnscaledata-centresukpower-gridai-infrastructureWhy IREN stock fell 35% in ten days, and what IREN itself has saidhttps://mavday.com/markets/iren-stock-fall-october-2026/https://mavday.com/markets/iren-stock-fall-october-2026/IREN shares lost a third of their value between 6 and 16 October without a single announcement from the company. Here is what drove the slide, what the filings show, and what to watch next.Mon, 19 Oct 2026 00:00:00 GMTmarketsirenneocloudai-clouddata-centrescoreweavegpuRocket Lab delays Neutron’s first launch to 2027: what went wrong and what it meanshttps://mavday.com/markets/rocket-lab-neutron-delay-2027/https://mavday.com/markets/rocket-lab-neutron-delay-2027/A manufacturing flaw in Neutron’s carbon-fibre propellant dome has pushed Rocket Lab’s new rocket into 2027, two months after the company said it was on track for the pad this year.Mon, 19 Oct 2026 00:00:00 GMTmarketsrocket-labneutronspacelaunchelectronTSMC Q3 2026 earnings: record profit, 44% growth this year, and why the shares still fellhttps://mavday.com/markets/tsmc-q3-2026-earnings-ai-demand/https://mavday.com/markets/tsmc-q3-2026-earnings-ai-demand/TSMC beat its own forecast, raised its outlook and said it sees "no sign of slowdown" in AI demand. Its US shares fell anyway. Here is what the results say about AI chips, and what moved the stock.Mon, 19 Oct 2026 00:00:00 GMTmarketstsmcsemiconductorsai-chips2nmearningshpc