申万宏源证券上海北京西路营业部·2025-11-27 02:53Group 1 - Over 20 positive announcements were released by companies listed on the Shanghai Stock Exchange as of November 23, indicating a trend of share buybacks and operational improvements [1] - China Petroleum & Chemical Corporation (Sinopec) completed its share buyback plan, repurchasing 89.35 million shares for approximately 500 million yuan, with a significant portion occurring in November [2] - Several companies, including Spring Airlines and Hongta Securities, have also announced their share buyback progress, with amounts reaching 400 million yuan and 120 million yuan respectively [2] Group 2 - At least 14 companies on the Sci-Tech Innovation Board reported buyback progress and positive contract orders, showcasing a commitment to shareholder value [3] - JinkoSolar announced the mass production of its Tiger Neo 3.0 solar module, achieving a production efficiency of over 24.8% and a power output of up to 670W, with significant orders signed [3] - Shanshi Network Technology reported progress in the development of its ASIC security chip, which has successfully passed internal testing and is entering the mass production phase, with market sales expected to begin in Q1 2026 [4][5]