After-hours, NVIDIA (NVDA.O) said in its Q2 report it expects Q3 revenue of $108.0 bln, ±2%, versus analysts' average $105.2 bln and some forecasts above $110 bln. Shares fell about 2% in after-hours trading. The muted reaction highlighted rising investor skepticism about the sustainability of AI-driven spending after years of rapid growth, with some participants warning of a potential bubble. NVIDIA’s extensive investment agreements with AI firms have also raised concerns that circular trading

Authorities in the Beijing–Tianjin–Hebei region have issued a cross‑regional work plan to strengthen the quality chain for brain‑computer interfaces (BCI). The plan backs quality R&D by chain‑lead enterprises, universities, research institutes and medical institutions and encourages joint industry‑academic‑medical projects to resolve common quality pain points and build flagship quality‑chain projects. It targets key BCI links—neural signal acquisition, decoding, control and feedback—with emphasis on EEG sensing and acquisition, human‑computer interaction and typical application scenarios. Priority technologies for breakthroughs and commercialization include new dry electrodes, flexible electrodes, BCI signal‑acquisition chips, compute/decoding chips, integrated acquisition systems and high‑performance real‑time decoding algorithms.

Invesco Nasdaq Technology ETF said trading will be suspended from market open on Aug. 27, 2026 and will resume at 10:30 on Aug. 27, 2026; redemptions will be processed as normal during the suspension.