SEMI.AX is trading at A$35.99, up +3.06% on September 18, 2026, after a broad semiconductor rebound.
- AMD, Intel, Micron, Nvidia, and Broadcom all advanced on September 17, while the Philadelphia Semiconductor Index rose for a third consecutive session.
- Easing Treasury yields, lower oil prices, and reduced uncertainty after the Federal Reserveβs expected rate hike supported risk appetite.
- The rally also retraced earlier AI-slowdown fears as investors refocused on sustained AI infrastructure demand and tight memory supply.