On August 21, the main A-share indexes trended downwards, with the Shenzhen Component Index and the CHINEXT Price Index both hitting new lows since February 7. As of the close, the Shanghai Composite Index fell 0.35% to 2856 points, the Shenzhen Component Index fell 0.28%, and the CHINEXT Price Index fell 0.6%. Over 3200 stocks declined, with a total turnover of 509.6 billion yuan for the day, a decrease of 48.2 billion yuan compared to the previous trading day. On the market, the solid-state battery sector made a major breakthrough, with sectors such as solid-state batteries, sodium-ion batteries, and blades batteries all rising. Jepepl Technology and Guangzhou Great Power Energy and Technology both hit the 20 cm daily limit. The education sector was active, led by Chengdu B-Ray Media. It was reported that iPhone 16 will be released on September 10, driving up the stocks of Apple suppliers, with Tanac Automation and others hitting the daily limit. Precious metals, decelerators, and AIPC performed well. In addition, the virus prevention and control sector continued to decline, with Guangdong Hybribio Biotech falling more than 11%; the gaming sector spiked and then retreated, with Fuchun Technology falling over 11%; the culture and media sector weakened, with Huayi Brothers Media Corporation falling more than 9%; and the COVID-19 drug, car rim motor, and hepatitis concepts had the largest declines.