Xin Lang Ji Jin·2025-07-15 12:30Group 1 - AI computing hardware sector experienced a significant rally, with the ChiNext AI index rising over 6% and approaching historical highs [1][4] - Notable stocks included Xinyi Technology, which hit a 20% limit up, and Zhongji Xuchuang, which surged over 16%, leading the market [1][2] - The ChiNext AI ETF, Huabao (159363), saw a price increase of 7.07%, reaching a historical high in trading volume of 389 million yuan [2][4] Group 2 - The ChiNext AI index has shown a cumulative increase of nearly 45% since the low in April, outperforming other AI indices [4][5] - Xinyi Technology projected a net profit of 3.7 billion to 4.2 billion yuan for the first half of 2025, marking a year-on-year growth of 327.68% to 385.47% [6][7] - Nvidia confirmed the resumption of H20 GPU sales in China, which is expected to benefit domestic optical module leaders and increase demand for high-speed optical products [7][8]