专业工程板块1月16日涨0.37%，柏诚股份领涨，主力资金净流入5.7亿元

Group 1 - The professional engineering sector increased by 0.37% on January 16, with Baicheng Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 4101.91, down 0.26%, while the Shenzhen Component Index closed at 14281.08, down 0.18% [1] - Notable gainers in the professional engineering sector included Xiangcheng Co., Ltd. and Hongsheng Huayuan, both rising by 10.02% [1] Group 2 - The professional engineering sector saw a net inflow of 570 million yuan from institutional investors, while retail investors experienced a net outflow of 454 million yuan [2] - Major stocks with significant net inflows included China Zhongzhi and Hongsheng Huayuan, with net inflows of 164 million yuan and 161 million yuan respectively [3] - Retail investors showed a notable outflow in stocks like Baicheng Co., Ltd., with a net outflow of approximately 87 million yuan [3]