港股午评：恒科指大涨1.96%，科技股普涨，影视股、汽车股强势，煤炭石油走低

Market Performance - The Hong Kong stock market saw all three major indices rise collectively, with the Hang Seng Tech Index leading the way, closing up 1.96% [1] - The Hang Seng Index and the China Enterprises Index increased by 0.62% and 1.01% respectively [1] Sector Highlights - Major technology stocks experienced significant gains, with JD.com and NetEase rising over 4%, Baidu up nearly 3%, Alibaba and Xiaomi increasing by 1.6%, Meituan up 1.4%, and Tencent also showing positive movement [1] - Automotive stocks surged, particularly following the opening of a factory in Brazil, with Great Wall Motors soaring by 12.6%, while NIO, Geely, and BYD also performed strongly [1] - The film industry saw a boost as summer box office revenues continued to climb, with leading films enhancing audience demand, resulting in a 37.6% increase for Lingmeng Media [1] - The brain-computer interface sector became active as OpenAI announced plans to enter this field, leading to increased activity in related stocks [1] Declines in Specific Sectors - The U.S. announced an expansion of tariffs on steel and aluminum imports by 50%, causing declines in steel and copper stocks [1] - Gold, coal, oil, domestic property, semiconductor stocks mostly performed poorly in response to the tariff news [1]