Zheng Quan Shi Bao·2025-12-04 14:15Market Overview - On December 4, A-shares showed mixed performance with the three major indices fluctuating. The total market turnover was 1.56 trillion yuan, a decrease of over 120 billion yuan compared to the previous trading day. More than 1,400 stocks closed higher, with 40 stocks hitting the daily limit up [1]. Sector Performance - The electric motor concept led the gains, with Sanxie Electric rising over 17%. Other sectors such as reducers, state-owned fund holdings, and aviation engines also saw increases. In contrast, sectors like Hainan, tourism and hotels, and dairy products experienced the largest declines [1]. Institutional Ratings - Five stocks received buy ratings from institutions today, including Zhend Medical, New Town Holdings, and Shanxi Fenjiu. The average decline for these stocks was 1.37%, underperforming the Shanghai Composite Index. The largest declines were seen in Shanxi Fenjiu (3.42%), Zhend Medical (2.50%), and New Town Holdings (1.42%) [1]. Institutional Buying and Selling - In the Dragon and Tiger list, 15 stocks were net bought, with 11 stocks net sold. Nine stocks had net purchases exceeding 10 million yuan, led by Heertai with a net buy of 330 million yuan. The largest net sell was in Aerospace Development, with a net sell of 364 million yuan [4][5]. Northbound Capital Flow - Northbound funds saw net purchases in 10 stocks, with Heertai leading at 188 million yuan. Conversely, nine stocks experienced net selling, with Tongyu Communications facing the highest net sell of 146 million yuan [6][7]. Important Announcements - ST Xianhe announced the removal of risk warnings and a name change to "Xianhe Environmental Protection." Zhongbai Group closed 30 large warehouse stores, expecting a loss of 180 million yuan. China Petroleum signed contracts worth 40 billion yuan to acquire 100% equity in three gas storage companies [8].