电子化学品板块1月19日跌0.48%，天承科技领跌，主力资金净流出5.5亿元

Market Overview - The electronic chemicals sector experienced a decline of 0.48% on January 19, with Tiancheng Technology leading the drop [1] - The Shanghai Composite Index closed at 4114.0, up 0.29%, while the Shenzhen Component Index closed at 14294.05, up 0.09% [1] Stock Performance - Notable gainers in the electronic chemicals sector included: - Jinhong Gas (688106) with a closing price of 25.52, up 9.57%, and a trading volume of 427,900 shares, totaling 1.068 billion yuan [1] - Zhongshi Technology (300684) closed at 54.55, up 8.62%, with a trading volume of 318,000 shares, totaling 1.723 billion yuan [1] - Sanhu Xinke (688389) closed at 76.90, up 6.82%, with a trading volume of 43,100 shares, totaling 321 million yuan [1] Fund Flow Analysis - The electronic chemicals sector saw a net outflow of 550 million yuan from institutional investors, while retail investors contributed a net inflow of 248 million yuan [2] - The top stocks by net inflow from institutional investors included: - Qiangli New Materials (300429) with a net inflow of 86.87 million yuan, accounting for 5.76% of the total [3] - Jinhong Gas (688106) with a net inflow of 83.17 million yuan, accounting for 7.79% of the total [3] - Zhongshi Technology (300684) with a net inflow of 55.72 million yuan, accounting for 3.23% of the total [3]