证券之星消息，12月15日专业服务板块较上一交易日下跌0.77%，安车检测领跌。当日上证指数报收于 3867.92，下跌0.55%。深证成指报收于13112.09，下跌1.1%。专业服务板块个股涨跌见下表： | 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | | --- | --- | --- | --- | --- | --- | --- | | 920160 | 北矿检测 | 25.30 | 3.48% | 3.83万 | | 9495.38万 | | 603183 | 建研院 | 4.33 | 2.36% | 15.34万 | | 6596.84万 | | 300797 | 钢研纳克 | 17.13 | 1.30% | 10.99万 | | 1.86亿 | | 003008 | 开普检测 | 21.79 | 1.25% | 1.49万 | | 3245.91万 | | 920039 | 国义招标 | 11.47 | 1.06% | 1.68万 | | 1923.64万 | | 603060 | 国检集团 | 6.09 | 0.83% | 5.83万 | | 3542. ...

Core Insights - The professional services sector experienced a rise of 0.61% on July 29, with Ancar Detection leading the gains [1] - The Shanghai Composite Index closed at 3609.71, up 0.33%, while the Shenzhen Component Index closed at 11289.41, up 0.64% [1] Performance Summary - Ancar Detection (300572) closed at 26.01, with a significant increase of 11.87%, trading volume of 210,700 shares and a transaction value of 518 million [1] - Other notable performers included: - Shis Testing (300416) at 15.72, up 6.43%, with a transaction value of 665 million [1] - Shengke Nano (688757) at 27.82, up 2.43%, with a transaction value of 154 million [1] - Conversely, the following companies saw declines: - Lansheng Co. (600826) at 11.50, down 2.79%, with a transaction value of 766 million [2] - Xince Standard (300938) at 23.33, down 2.06%, with a transaction value of 243 million [2] Capital Flow Analysis - The professional services sector saw a net outflow of 122 million from institutional investors, while retail investors contributed a net inflow of 171 million [2] - Notable capital flows included: - Su Shi Testing (300416) with a net inflow of 62.44 million from institutional investors [3] - Keri International (300662) with a net inflow of 33.53 million from institutional investors [3] - In contrast, several companies experienced net outflows from institutional and retail investors, indicating varied investor sentiment across the sector [3]