Mei Ri Jing Ji Xin Wen·2025-07-18 10:29Market Performance - The Shanghai Composite Index has been rising, with significant volume increases on Thursday and Friday, challenging recent highs of 3555 points [1] - The strong performance of the semiconductor sector, particularly related to Nvidia's H20 chip sales resuming to China, has driven interest in technology growth stocks [1][4] - The rare earth, lithium, and RDA concepts have also shown strong performance this week [1] Competition Highlights - The 66th round of the stock simulation competition concluded with the top three participants achieving returns of 32.83%, 31.48%, and 26.98% respectively [1] - A total of 688 participants reported positive returns and will receive cash rewards [1] Upcoming Events - The 67th round of the competition will start on July 21, with registration open from July 19 to July 31 [3][11] - Participants can win cash rewards based on their performance, with the first place receiving 688 yuan and additional rewards for subsequent ranks [3][11] Investment Insights - Participants have identified strong opportunities in the optical module stocks within Nvidia's supply chain, with notable gains in stocks like Zhongji Xuchuang and Xinyisheng [4][6] - The AI chip market is projected to exceed $150 billion by 2025 and grow to $400 billion by 2027, indicating significant growth potential in this sector [6] - The market sentiment is shifting towards sectors with strong earnings elasticity, moving from defensive to offensive stock selections [10]