Group 1 - A-shares showed mixed performance on September 18, with the Shanghai Composite Index rising by 0.08%, driven by gains in sectors such as computer hardware, semiconductors, and motorcycles, while basic metals and diversified finance sectors faced declines [1] - The chip technology stocks performed strongly, with the chip ETF (159995) increasing by 3.12%, and notable individual stock performances included Haiguang Information up by 8.04%, Ruixin Micro up by 7.94%, and Longxin Zhongke up by 5.57% [1] - According to TrendForce, NAND Flash wafer prices are expected to rise by 10% to 15% in Q2 2025 due to tightening supply and recovering demand, while client SSD prices are projected to increase by 3% to 8% [3] Group 2 - Micron announced a halt in pricing for all DDR4, DDR5, LPDDR4, and LPDDR5 storage products, with expectations of price increases following a one-week suspension of quotes [3] - As the mobile season and enterprise demand increase in Q4 2025, the storage sector is anticipated to experience a new round of price hikes [3] - The chip ETF (159995) tracks the Guozheng Chip Index, which includes 30 leading companies in the A-share chip industry across various segments such as materials, equipment, design, manufacturing, packaging, and testing [3]