照明设备板块12月19日涨2.52%，立达信领涨，主力资金净流出2789.48万元

Group 1 - The lighting equipment sector increased by 2.52% compared to the previous trading day, with Lida Xin 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 lighting equipment sector experienced a net outflow of 27.89 million yuan from main funds, while retail funds saw a net inflow of 9.98 million yuan [2] - Speculative funds had a net inflow of 17.92 million yuan into the lighting equipment sector [2]