半导体板块2月3日涨1.45%，炬光科技领涨，主力资金净流出10.62亿元

Group 1 - The semiconductor sector increased by 1.45% on February 3, with Juguang Technology leading the gains [1] - The Shanghai Composite Index closed at 4067.74, up 1.29%, while the Shenzhen Component Index closed at 14127.1, up 2.19% [1] - Juguang Technology's stock price rose by 18.06% to 301.20, with a trading volume of 95,300 shares and a transaction value of 2.742 billion [1] Group 2 - The semiconductor sector saw a net outflow of 1.062 billion from institutional funds and 1.356 billion from retail funds, while individual investors contributed a net inflow of 2.419 billion [3][4] - Notable stocks with significant price changes include: - Juguang Technology: +18.06% - Oulain New Materials: +14.82% - Qiangyi Co.: +14.05% [1] - The trading volume and transaction values for several stocks indicate strong market activity, with Saimicroelectronics achieving a transaction value of 4.824 billion [1]