603906签署重大合同，总金额超450亿元！

Market Overview - The three major A-share indices experienced a slight increase on November 24, with a total market turnover of 1.74 trillion yuan, a decrease of over 240 billion yuan compared to the previous trading day [1] - More than 4,200 stocks closed higher, with 79 stocks hitting the daily limit up [1] Institutional Ratings - A total of 17 stocks received buy ratings from institutions today, with an average increase of 1.62% for these stocks, outperforming the Shanghai Composite Index [2] - The top gainers among the rated stocks included Capital Online, Dazhong Mining, and Saiwei Times, with increases of 5.2%, 3.9%, and 3.77% respectively [2] - The basic chemical industry was the most favored sector, with five stocks including Huafeng Chemical and Ping An Electric on the buy rating list [2] Stock Market Activity - In the Dragon and Tiger list, nine stocks had net buying, with seven stocks seeing net purchases exceeding 10 million yuan [3] - Dazhong Mining topped the list with a net purchase of 130 million yuan, followed by Delijia and Hainan Haiyao with net purchases of 129 million yuan and 65.64 million yuan respectively [3] - Visual China faced the highest net selling amount at 79.92 million yuan among the stocks sold by institutions [3] Corporate Announcements - Longpan Technology signed a supplementary agreement with Chunan New Energy, estimating total sales exceeding 45 billion yuan based on expected quantities and market prices [4] - Ningbo Energy plans to transfer a 15% stake in Ningbo Lingfeng Comprehensive Energy Service Co., Ltd. for a base price of 16.0625 million yuan [5] - Dongfang Zircon plans to invest 737 million yuan in a project to produce 60,000 tons of battery-grade zirconium oxychloride annually [5] - Jinbei Automobile signed a cooperation framework agreement with JD.com to enhance its sales channels and logistics collaboration [5][6] - Walton Technology approved the establishment of a wholly-owned subsidiary in Nanjing with an investment of 300 million yuan for a project related to membrane materials [6]