光伏设备板块1月28日跌2.77%，欧普泰领跌，主力资金净流出52.16亿元

Core Viewpoint - The photovoltaic equipment sector experienced a decline of 2.77% on January 28, with Optec leading the drop, while the Shanghai Composite Index rose by 0.27% and the Shenzhen Component Index increased by 0.09% [1]. Group 1: Market Performance - The closing price of Optec was 17.16, reflecting a decrease of 10.81% with a trading volume of 147,700 shares and a transaction value of 261 million [2]. - The sector saw a net outflow of 5.216 billion from major funds, while retail investors contributed a net inflow of 3.687 billion [2]. Group 2: Individual Stock Performance - Shuangliang Energy closed at 68.8, with a rise of 9.08% and a trading volume of 2.8015 million shares, resulting in a transaction value of 2.491 billion [1]. - The stock of Jianqiang Technology closed at 18.01, up by 3.09%, with a trading volume of 1.1109 million shares and a transaction value of 1.997 billion [1]. - The stock of Jicheng Technology saw a decline of 5.97%, closing at 128.57, with a trading volume of 351,200 shares and a transaction value of 4.570 billion [2].