AI Chip Concept Stocks Insight | SMIC (00981.HK) down 3.91%, tops HKEX's first AI index by weight

NewTimeSpace News, on 30 October 2026, AI chip stocks pulled back, and SMIC (00981.HK) weakened. As of 13:27, the company quoted HKD 43.200, down 3.91%.

On the news front, on 29 October 2026 Hong Kong Exchanges and Clearing launched the HKEX AI Index, its first artificial intelligence-themed index, tracking 40 Hong Kong-listed companies closely tied to the AI supply chain across chip design, data centres, AI infrastructure, AI models and software applications. SMIC is the largest constituent with a 9.80% weight, followed by Hua Hong Semiconductor at 8.26%.

In addition, the index sets quantitative screening thresholds, requiring constituents to derive at least 30% of revenue from AI-related business and to meet listing-history and liquidity criteria, with R&D spending, capital expenditure, revenue growth and market value also assessed. On 30 October 2026 Samsung Electronics said in its third-quarter results briefing that its first Taylor fab in the United States will start large-scale production in 2027, with designed capacity of about 20,000 wafers per month and a further 6,000 wafers per month from recently ordered equipment, and that it expects double-digit growth in foundry revenue in the fourth quarter.

SMIC (00981.HK) Provides IC wafer foundry and related technical services. It is the largest pure-play wafer foundry in China by capacity and offers the broadest coverage of process nodes. Its mature and select advanced process lines address applications including smart terminals, IoT, and computing chips. Based on its periodic disclosures, wafer shipments, capacity utilization, and revenue are at historically high levels.