Global Market: South Korean shares rise on chip gains, KOSPI set for third weekly loss

Fourteen-year-old Zeynep Demirbas tested four AI models on 3,553 Reddit posts to see how accurately they could detect stress. MentalBERT performed best at about 82%, while ChatGPT-4o scored about 74%. Her findings suggest general-purpose LLMs may not be reliable enough for mental health assessment.

HSBC Holdings reported a stronger-than-expected 23% rise in first-half pretax profit, driven by higher net interest income and robust growth in wealth management. The banking giant also announced a $1 billion share buyback and declared a second interim dividend of $0.10 per share, underscoring its focus on rewarding shareholders.

Grove snails produce five distinct mucus types for varied purposes. Calcium and protein levels significantly alter mucus mechanical properties and functions. One mucus type lubricates movement, while another aids firm surface attachment. Defensive secretions and a shell-sealing epiphragm are also produced. This research reveals nature’s sophisticated material creation from simple ingredients.