电子化学品板块12月19日涨0.25%，莱特光电领涨，主力资金净流出4.13亿元

Group 1 - The electronic chemicals sector increased by 0.25% compared to the previous trading day, with Lite-On Technology leading the gains [1] - The Shanghai Composite Index closed at 3890.45, up 0.36%, while the Shenzhen Component Index closed at 13140.22, up 0.66% [1] Group 2 - In terms of capital flow, the electronic chemicals sector experienced a net outflow of 413 million yuan from main funds, a net outflow of 125 million yuan from speculative funds, and a net inflow of 538 million yuan from retail investors [2]