专业工程板块12月25日涨0.64%，上海港湾领涨，主力资金净流入963.34万元

Market Performance - The professional engineering sector increased by 0.64% compared to the previous trading day, with Shanghai Port leading the gains [1] - The Shanghai Composite Index closed at 3959.62, up 0.47%, while the Shenzhen Component Index closed at 13531.41, up 0.33% [1] Stock Performance - Notable gainers in the professional engineering sector included: - Yihai Port and Macao (605598) with a closing price of 61.90, up 10.01% and a trading volume of 107,000 shares, totaling 651 million yuan [1] - Shenghui Integration (603163) closed at 85.92, up 10.00% with a trading volume of 72,300 shares, totaling 586 million yuan [1] - Sentai Co., Ltd. (603098) closed at 14.29, up 5.77% with a trading volume of 223,100 shares, totaling 324 million yuan [1] Capital Flow - The professional engineering sector saw a net inflow of 9.63 million yuan from institutional investors, while retail investors contributed a net inflow of 54.57 million yuan [2] - However, there was a net outflow of 64.20 million yuan from speculative funds [2] Individual Stock Capital Flow - Dayang Group (002593) had a net inflow of 66.42 million yuan from institutional investors, but a net outflow of 83.56 million yuan from retail investors [3] - Time Space Technology (605178) experienced a net inflow of 63.03 million yuan from institutional investors, with a net outflow of 75.69 million yuan from retail investors [3] - Shanghai Port (605598) had a net inflow of 60.90 million yuan from institutional investors, but faced a net outflow of 47.41 million yuan from retail investors [3]