Zheng Quan Shi Bao Wang·2025-08-21 14:05Market Overview - The Shanghai Composite Index rose by 0.13% on August 21, with a total trading volume of 2.46 trillion yuan, marking the seventh consecutive trading day with volumes exceeding 2 trillion yuan [1] - Nearly 2,200 stocks increased in price, with 58 stocks hitting the daily limit [1] Sector Performance - The combustible ice concept surged over 3%, with ShenKai Co., Ltd. (002278) hitting the limit, and other stocks like QianNeng HengXin (300191) and XinJin Power (300157) rising over 5% [1] - The digital currency sector saw multiple stocks hitting the limit, including Sanwei Xinan and BeiXinYuan (300352) [1] - The agriculture, forestry, animal husbandry, and fishery sector also performed well, with Guotou Zhonglu (600962) hitting the limit and Honghui Fruits and Vegetables (603336) and Muyuan Foods (002714) rising over 5% [1] Historical Highs - A total of 38 stocks reached historical closing highs, with the electronics, automotive, and machinery equipment sectors showing significant concentration [2] - The average increase for stocks reaching historical highs was 3.82%, with notable performers including ChuangYitong (300991) and GuoMai Culture (301052) [2][3] Institutional Activity - On August 21, 10 stocks saw net purchases exceeding 10 million yuan from institutions, with ZhongDian XinLong (002298) leading at 1.09 billion yuan [5] - The most sold stock by institutions was HengBao Co., Ltd. (002104), with a net sell of 1.1 billion yuan [5] Northbound Capital - Northbound capital was active in 18 stocks, with JingBeiFang (002987) receiving the highest net purchase of 1.76 billion yuan [7] - Stocks like WoLong Electric Drive (600580) and Electronic City (600658) also saw significant net purchases [7] Company Announcements - Sinopec (600028) plans to distribute a cash dividend of 0.088 yuan per share, totaling 10.67 billion yuan, despite a 10.6% decline in revenue year-on-year [8] - Renhe Pharmaceutical (000650) announced that its ULook brain-machine interaction smart glasses are still in the sample stage and have not yet generated sales revenue [8] - Shanghai Jahwa (600315) reported a 4.75% increase in revenue for the first half of the year, with a net profit growth of 11.66% [9]