金融工程日报：沪指 V型反转，太空光伏、商业航天等热点题材全线反弹-20260203

• The market saw a significant rebound with the Shanghai Composite Index showing a V-shaped recovery, and hot themes like space photovoltaics and commercial aerospace experiencing a full rebound[1] - On February 3, 2026, the market saw a broad-based rise, with the CSI 500 index performing well among scale indices, the STAR 100 index performing well among sector indices, and the CSI 500 Growth index performing well among style indices[2] - The mechanical, defense, building materials, basic chemicals, and steel industries performed well, while the banking, non-bank, coal, oil and petrochemicals, and electric utilities industries performed poorly[2] - Market sentiment on February 3, 2026, showed 82 stocks hitting the daily limit up and 23 stocks hitting the daily limit down, with a sealing rate of 78% and a continuous board rate of 36%[2] - As of February 2, 2026, the balance of margin financing and securities lending was 27,091 billion yuan, with a margin financing balance of 26,927 billion yuan and a securities lending balance of 164 billion yuan[2] - The ETF with the highest premium on February 2, 2026, was the G60 Innovation ETF by Shenwan Lingxin, with a premium of 1.83%, while the ETF with the highest discount was the Nonferrous Metals ETF by Huatai-PineBridge, with a discount of 3.89%[3] - The median annualized discount rates for the main contracts of the SSE 50, CSI 300, CSI 500, and CSI 1000 stock index futures over the past year were 0.63%, 3.79%, 11.15%, and 13.61%, respectively[3] - On February 3, 2026, the annualized discount rates for the main contracts of the SSE 50, CSI 300, CSI 500, and CSI 1000 stock index futures were 0.48%, 1.41%, 0.53%, and 2.94%, respectively[3] - The stocks with the most institutional attention over the past week were Ying Tang Zhikong, Ninebot-WD, Shanghai Bank, Gelisi, Tongli Shares, Taienkang, Wangsu Technology, and ST Jingji, with Ying Tang Zhikong being surveyed by 196 institutions[4] - The top ten stocks with net inflows from institutional seats on February 3, 2026, were Tongling Nonferrous Metals, Sanbian Technology, Robotec, Hunan Gold, Aerospace Development, Zhongchao Holdings, Autoway, Dikang Shares, Shuangjie Electric, and Hongqiang Shares[4] - The top ten stocks with net outflows from institutional seats on February 3, 2026, were Junda Shares, Wanfeng Shares, Jept, Southern Network Energy, Urban Development, Tongyu Communications, Zerun New Energy, Weiling Shares, Liujin Technology, and Intercontinental Oil and Gas[4]