2 1 Shi Ji Jing Ji Bao Dao·2025-09-28 07:49Market Performance - The A-share market indices collectively rose during the week of September 22 to September 26, with the Shanghai Composite Index closing at 3828.11 points, up 0.21% for the week [1] - The Shenzhen Component Index closed at 13209.00 points, up 1.06%, while the ChiNext Index closed at 3151.53 points, up 1.96% [1] - Over 30% of stocks experienced gains, with 126 stocks rising over 15% and 50 stocks declining over 15% [1] Top Gainers - Bluefeng Biochemical (002513.SZ) led the gainers with a weekly increase of 61.16%, followed by Sunflower (300111.SZ) with a 57.86% rise [2] - Other notable gainers included Jucheng Technology (688123.SH), Changchuan Technology (300604.SZ), and Fuke Environmental Protection (688335.SH), all with gains exceeding 44% [2] - Bluefeng Biochemical is a major domestic producer of pesticides, and it recently established a subsidiary focused on high-efficiency N-type crystalline silicon photovoltaic products [2][3] Top Losers - Borui Pharmaceutical (688166.SH) was the biggest loser, with a decline of 38.36% [5] - Other significant decliners included Xiangjiang Holdings (600162.SH) and Haotaitai (603848.SH), both with declines over 22% [5] - Borui Pharmaceutical's stock price fell to 58.06 yuan per share, with a 12.57% drop on September 26 alone [6] Company Developments - Borui Pharmaceutical announced a stock repurchase plan, proposing to buy back shares worth between 10 million and 20 million yuan [9] - The company is progressing with its overseas market expansion, with several clinical trials ongoing for its weight loss products in the U.S. [8][9] - Pfizer's acquisition of Metsera for $7.3 billion has impacted Borui Pharmaceutical's stock, signaling a shift in market expectations for weight loss drug development [10]