光伏设备板块12月23日涨1.37%，阿特斯领涨，主力资金净流出11.19亿元

Group 1 - The photovoltaic equipment sector increased by 1.37% compared to the previous trading day, with Canadian Solar leading the gains [1] - The Shanghai Composite Index closed at 3919.98, up 0.07%, while the Shenzhen Component Index closed at 13368.99, up 0.27% [1] Group 2 - The main funds in the photovoltaic equipment sector experienced a net outflow of 1.119 billion yuan, while retail investors saw a net inflow of 0.767 billion yuan [2] - Speculative funds had a net inflow of 0.352 billion yuan into the photovoltaic equipment sector [2]