专用设备板块12月23日涨0.53%，森赫股份领涨，主力资金净流入4.52亿元

Group 1 - The specialized equipment sector increased by 0.53% compared to the previous trading day, with Senhe Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3919.98, up by 0.07%, while the Shenzhen Component Index closed at 13368.99, up by 0.27% [1] Group 2 - The specialized equipment sector saw a net inflow of 452 million yuan from main funds, while retail funds experienced a net inflow of 147 million yuan, and speculative funds had a net outflow of 600 million yuan [2]