SMIC (00981.HK) +0.250 (+0.360%) Short selling $725.81M; Ratio 6.797% is testing its first domestically produced DUV lithography machine to manufacture advanced AI chips, the Financial Times quoted sources as saying. The machine, produced by Shanghai startup Yuliangsheng, could help China overcome US export controls on chip manufacturing technology if it achieves progress.Related NewsGuosen Securities: BABA-W, BIDU-SW's Self-Developed Computing Chips Driving CN-Made Model Training Away from Overseas DependenceWhile SMIC's trials yielded promising early results, it remained unclear whether and when the lithography machines will be deployed for large-scale chip production, according to the report.SMIC opened 1.74% higher this morning (17th) before its gains expanded in early session. The stock peaked at a historical H-share high of $67.55, and last advanced 5.14% to $66.45. Trading volume was 71.6621 million shares, involving $4.728 billion. SMIC's A-shares (688981.SH) -0.810 (-0.663%) also hit an all-time A-share high in early session at RMB120.8, and last printed at RMB117.97, escalating 7.5%.(HK stocks quote is delayed for at least 15 mins.Short Selling Data as at 2025-09-19 16:25.) (A Shares quote is delayed for at least 15 mins.)Related NewsG Sachs Upgrades HUA HONG SEMI to Buy, Raises TP to HKD68.1