沪指四连阳重返3900点【情绪监控】

Market Performance - Most indices showed an upward trend on December 22, 2025, with the CSI 500 index performing well, increasing by 1.20%. The Shanghai Composite Index rose by 0.69%, and the Shenzhen Composite Index increased by 1.13% [6][10] - The ChiNext Index had a notable performance, rising by 2.23%, while the CSI 500 Growth Index also performed well, increasing by 1.62% [6][10] - The communication, non-ferrous metals, electronics, consumer services, and comprehensive finance sectors performed well, with returns of 4.24%, 2.53%, 2.52%, 2.41%, and 2.17% respectively. In contrast, the media, banking, textile and apparel, light industry manufacturing, and electric utility sectors showed poor performance, with returns of -0.55%, -0.54%, -0.51%, -0.42%, and -0.28% respectively [10] Market Sentiment - Market sentiment was high on December 22, 2025, with 104 stocks hitting the daily limit up and 8 stocks hitting the limit down. The limit-up stocks had a closing return of 2.28%, while the limit-down stocks had a return of 1.06% [2][14][16] - The sealing rate was 71%, a decrease of 2% from the previous day, and the consecutive limit-up rate was 25%, also down by 2% [18] Market Capital Flow - As of December 19, 2025, the margin trading balance was 25,038 billion yuan, with a financing balance of 24,871 billion yuan and a securities lending balance of 167 billion yuan. The margin trading balance accounted for 2.6% of the circulating market value, and margin trading accounted for 10.1% of the market transaction volume [3][21][24] Premium and Discount - On December 19, 2025, the ETF with the highest premium was the Southern Sci-Tech Growth ETF, with a premium of 1.49%. The ETF with the highest discount was the Industrial Bank's CSI 50 ETF, with a discount of 0.51% [4][26] - The average discount rate for block trades over the past six months was 6.63%, with a discount rate of 5.21% on December 19, 2025 [28] Institutional Attention and Rankings - In the past week, the stocks with the most institutional research were Chang'an Automobile, Boying Welding, Shenkong Co., and others, with Chang'an Automobile being researched by 214 institutions [5][34] - On December 22, 2025, the top ten stocks with net inflow from institutional special seats included Shennong Agriculture, Xue Ren Group, and others, while the top ten stocks with net outflow included Tongyu Communication, Jingzhida, and others [38][39]