商用车板块12月19日涨0.25%，曙光股份领涨，主力资金净流出9609.74万元

Group 1 - The commercial vehicle sector increased by 0.25% compared to the previous trading day, with Shuguang Co. leading the gains [1] - The Shanghai Composite Index closed at 3890.45, up by 0.36%, while the Shenzhen Component Index closed at 13140.22, up by 0.66% [1] Group 2 - In terms of capital flow, the commercial vehicle sector experienced a net outflow of 96.1 million yuan from main funds, a net outflow of 12.01 million yuan from speculative funds, and a net inflow of 108 million yuan from retail investors [2]