Nikkei Tops 40000 for First Time Since 1989 on AI Optimism, Chip Stock Surge
- Nikkei Stock Average rose above 40000 for the first time, driven by AI optimism
- Hit a 34-year high on Feb. 22, surpassing previous 1989 record
- Index up 19% so far this year after 28% gain in 2023
- Surge in chip stocks led latest gains
- Japanese market lagged others for years due to deflation and slow growth