Group 1 - The electronic paper concept index rose by 0.10%, ranking 8th among concept sectors, with notable gainers including Shenkeda, Zhangyue Technology, and Hanshuo Technology, which increased by 15.32%, 5.24%, and 5.00% respectively [1] - The electronic paper sector saw a net inflow of 0.33 billion yuan from main funds, with Zhangyue Technology leading the inflow at 2.29 billion yuan, followed by Hanshuo Technology, Qingyue Technology, and BOE A [2][3] - The net inflow ratios for leading companies in the electronic paper sector were 28.94% for Zhangyue Technology, 9.80% for Hanshuo Technology, and 7.06% for Qingyue Technology [3] Group 2 - The electronic paper sector had 8 stocks rising, while the top decliners included Sichuang Medical, Feikai Materials, and Haimu Star, which fell by 6.46%, 4.79%, and 4.34% respectively [1][4] - The trading volume and turnover rates varied among companies, with Shenkeda showing a significant turnover rate of 13.10% despite its price increase [4] - The overall market performance of the electronic paper sector reflects a mixed sentiment, with some stocks experiencing substantial gains while others faced declines [2][4]

Group 1 - The stock of Puli Pharmaceutical (普利制药) entered the delisting preparation period, with its stock price plummeting by over 70% at one point, reaching a maximum drop of 77.51% during trading [4][5][7] - The company previously announced that its 2021 and 2022 annual reports contained false records, with a total false profit amounting to 669 million yuan, accounting for 73.83% of the total disclosed profits for those two years [7] - The delisting preparation period for the company's stock and convertible bonds started on April 28, 2025, lasting for fifteen trading days, with the expected last trading date on May 21, 2025 [7][8] Group 2 - During the delisting preparation period, the company's stock will trade on the Shenzhen Stock Exchange's risk warning board, with no price limits on the first day, followed by a daily limit of 20% thereafter [8] - The company has warned investors that its stock is classified as a special security under the Shenzhen Stock Connect, meaning investors can only sell and not buy, which may affect future trading [8] Group 3 - In the A-share market, other sectors such as steel, internet, banking, and electricity showed gains, while real estate, tourism, and home goods sectors experienced declines [2] - Goldwind Technology (金风科技) reported a significant increase in its first-quarter revenue for 2025, achieving 9.472 billion yuan, a year-on-year growth of 35.72%, and a net profit of 568 million yuan, up 70.84% [3]