MediaTek is trading 3.31% down at TWD 5110.00, in line with a broad semiconductor selloff.
- Reports linked Asian chip weakness to investor concerns after OpenAI paused work on some advanced models for safety reviews.
- Rising oil prices, yields and geopolitical tensions also weighed on market sentiment.
- No company-specific announcement explaining the September 29 move surfaced in available search results; these are sector and macro explanations, not evidence of a MediaTek-specific catalyst.