Market Overview - The Hong Kong stock market opened high but closed lower, with the Hang Seng Index rising by 0.23% to 21,466.27 points, while the Hang Seng Tech Index fell by 0.67% to 4,981.6 points, indicating a mixed performance across indices [1] - Short-term impacts from the U.S. tariff policy on China have led to a decline in investor risk appetite, causing a valuation adjustment in the Hong Kong stock market [1] Blue-Chip Stocks Performance - Semiconductor stocks, particularly SMIC, led the decline among blue-chip stocks, with SMIC dropping 4.53% to HKD 45.35, contributing to a loss of 15.99 points in the Hang Seng Index [2] - New Oriental and Nongfu Spring saw gains of 3.66% and 2.48%, respectively, contributing positively to the index [2] Sector Performance Semiconductor Sector - The semiconductor sector faced significant declines, with Shanghai Fudan down 5.17% and Huahong Semiconductor down 3.2% [3] - The U.S. government has initiated investigations into semiconductor imports under national security concerns, which may impact the sector's future [3] Apple-Related Stocks - Apple-related stocks experienced pressure, with notable declines in companies like Sunny Optical and BYD Electronics, attributed to ongoing tariff discussions [4] Gaming Sector - The gaming sector saw widespread declines, with Galaxy Entertainment down 3.57% and other major gaming stocks also falling [4] Consumer Sector - Consumer stocks showed resilience, with notable gains in brands like Zhou Hei Ya, which rose 7.83% [6] - The Chinese government's push for consumption growth is expected to bolster the consumer market, enhancing investment preferences in this sector [6] Notable Company Movements - Yineng Biopharma saw a significant increase of 116.7% on its first trading day, reflecting strong investor interest in its innovative drug development [8] - Yujian Robotics rose 4.57% following the release of a national standard for industrial robots, indicating positive market sentiment towards the company [9] - Sunac China experienced a decline of 6.58% amid news of plans to convert offshore bonds into company stock, alongside a report of its March sales figures [10]