Market Performance - The Shanghai Composite Index opened high on May 26, 2023, and briefly surpassed 3600 points, marking the first time since February 26 of the same year [1][2] - As of the close on May 26, the index reported 3593.36 points, with a gain of 0.34% [2] - The index has shown a cumulative increase of 0.23% over the 60 trading days from February 26 to May 26, 2023, with 1863 stocks underperforming the market [1][5] Sector Performance - The market saw a divergence in performance among the three major A-share indices, with the Shenzhen Component Index and the ChiNext Index experiencing declines of 0.36% and 0.95%, respectively [2] - The biodegradable plastics sector experienced significant gains, with stocks like Ruifeng High Materials, Yinhui Technology, and Meirui New Materials hitting the daily limit [2] - Other sectors such as aquaculture, paper printing, and longevity drugs also saw increases of over 3% [3] Trading Volume and Capital Flow - On May 26, the trading volume in the Shanghai market reached 455.83 billion yuan, while the Shenzhen market saw 511.01 billion yuan, totaling 966.84 billion yuan across both markets [4] - Northbound capital recorded a net inflow of 9.103 billion yuan on May 26, with a total net inflow of 36.464 billion yuan for May [4] Stock Performance Analysis - Among the 1863 stocks that underperformed, 321 reported net losses in Q1 2021, with companies like SF Express and Liou Co. showing losses exceeding 400 million yuan [8][10] - Notably, some companies have reported consecutive losses over multiple years, raising concerns about their financial health [10] - Stocks such as Chutianlong and Shunkong Development have shown significant gains, with increases exceeding 400% [7]

Group 1 - The core viewpoint of the news is that Angel Yeast will face a lock-up expiration of 2.765 million shares next week, with a market value of approximately 98.49 million yuan, accounting for 0.32% of the pre-expiration circulating market value [1] - The type of shares being unlocked is equity incentive restricted shares, with the expiration date set for May 7, 2025 [1] - The shareholders involved in this lock-up expiration include core technical personnel and management, with the largest portion being 2.7078 million shares held by core staff [1] Group 2 - Angel Yeast Co., Ltd. is located in Yichang, Hubei Province, and was founded in 1986, specializing in yeast and deep-processed products widely used in various fields [2] - The company has a total fermentation capacity of 400,000 tons, holding a 55% market share in China and over 18% globally, making it the second-largest yeast producer in the world [2] - Angel Yeast has established a national-level enterprise technology center and has been recognized with over 300 authorized invention patents, contributing to the formulation of all national and industry standards in the yeast sector [2]