专业工程板块1月14日涨0.16%，圣晖集成领涨，主力资金净流出7.37亿元

Market Overview - The professional engineering sector increased by 0.16% on January 14, with Shenghui Integration leading the gains [1] - The Shanghai Composite Index closed at 4126.09, down 0.31%, while the Shenzhen Component Index closed at 14248.6, up 0.56% [1] Top Gainers - Shenghui Integration (603163) closed at 79.48, up 10.01% with a trading volume of 60,100 shares [1] - Yaxiang Integration (603929) closed at 138.78, up 10.00% with a trading volume of 45,000 shares [1] - Shikong Technology (605178) closed at 64.47, up 6.21% with a trading volume of 88,000 shares [1] - Other notable gainers include: - Deep Sanda A (000032) up 5.30% - Sanlian Hongpu (300384) up 4.21% [1] Top Losers - Feifei History (605598) closed at 62.95, down 7.70% with a trading volume of 169,300 shares [2] - Aiman Co. (605289) closed at 67.85, down 5.76% with a trading volume of 43,700 shares [2] - Jilu Steel Structure (002541) closed at 20.43, down 4.04% with a trading volume of 134,000 shares [2] Capital Flow - The professional engineering sector experienced a net outflow of 737 million yuan from institutional investors, while retail investors saw a net inflow of 329 million yuan [2] - Notable capital flows include: - Shenghui Integration had a net inflow of 138 million yuan from institutional investors [3] - Yaxiang Integration saw a net outflow of 44.7 million yuan from retail investors [3] - Deep Sanda A had a net inflow of 84.98 million yuan from institutional investors [3]