电子化学品板块1月5日涨3.54%，上海新阳领涨，主力资金净流入2.52亿元

Group 1 - The electronic chemicals sector increased by 3.54% on January 5, with Shanghai Xinyang leading the gains [1] - The Shanghai Composite Index closed at 4023.42, up 1.38%, while the Shenzhen Component Index closed at 13828.63, up 2.24% [1] - Key stocks in the electronic chemicals sector showed significant price increases, with Shanghai Xinyang rising by 11.70% to a closing price of 71.22 [1] Group 2 - The electronic chemicals sector saw a net inflow of 252 million yuan from institutional investors, while retail investors contributed a net inflow of 39.33 million yuan [2] - Major stocks like Nanda Optoelectronics experienced a net inflow of 142.16 million yuan from institutional investors, despite a net outflow from retail investors [3] - The overall trading volume and turnover in the electronic chemicals sector indicated active market participation, with notable transactions in stocks like Shanghai Xinyang and Nanda Optoelectronics [1][2][3]