5分钟，直线涨停，002910突现2连板

Market Overview - A-shares opened lower and experienced fluctuations, with the Shanghai Composite Index testing the 3900-point support level. The tech growth stocks faced significant adjustments, with the Sci-Tech Innovation 50 index dropping over 4% and falling below 1500 points, while the ChiNext index fell over 3% and dropped below 3200 points. Market trading volume remained stable [1]. Sector Performance - The food and beverage, cultivated diamond, cement, and ground weaponry sectors saw the largest gains, while energy metals, semiconductors, photovoltaic equipment, and medical services sectors experienced the largest declines [3]. Food and Beverage Sector - The food and beverage sector showed resilience, with the beverage and dairy segments leading the gains. The sector index surged over 2%, marking its fifth consecutive day of increase. Notable stocks included Zhuangyuan Pasture, which hit the daily limit shortly after opening, and Yangyuan Beverage, which also reached the daily limit. Other significant gainers included New Dairy and Dongpeng Beverage [5][4]. - Other segments within the food sector, such as snack foods, agricultural product processing, prepared dishes, and condiments, also saw upward movement, with companies like Baba Foods and Shuangta Foods leading the gains [7]. - PepsiCo reported third-quarter earnings of $23.94 billion, slightly above Wall Street's expectation of $23.85 billion, with adjusted earnings per share of $2.29, exceeding the anticipated $2.27. This positive news led to a significant increase in Pepsi's stock price, which rose over 4%, marking its largest single-day gain in three months [7]. - The State Council's Food Safety Committee has prioritized the "prepared dishes controversy," leading to the development of national standards for prepared dishes. The draft of the food safety standards, led by the National Health Commission, has passed review and will soon be open for public consultation [7]. - Wanlian Securities suggests that under the influence of policies to boost domestic demand and trends in rational, emotional, and health consumption, there are structural investment opportunities in the food and beverage industry. Key areas of focus include the beverage sector, particularly energy drinks, and snack foods that innovate in channels and categories, as well as health products targeting young consumers [8]. Cultivated Diamond Sector - The cultivated diamond sector opened significantly higher, with the sector index rising over 4% to reach a historical high. Notable stocks included Huanghe Whirlwind, which hit the daily limit and achieved a new annual high, and Sifangda, which also opened at the daily limit price [10]. - The Ministry of Commerce and the General Administration of Customs announced export controls on various superhard material products, including synthetic diamond micro-powder and single crystals, following State Council approval [12].