专业工程板块12月10日跌0.8%，亚翔集成领跌，主力资金净流出4.73亿元

Group 1 - The professional engineering sector experienced a decline of 0.8% on December 10, with Yaxing Integration leading the drop [1] - The Shanghai Composite Index closed at 3900.5, down 0.23%, while the Shenzhen Component Index closed at 13316.42, up 0.29% [1] - A table detailing the individual stock performance within the professional engineering sector was provided [1] Group 2 - The professional engineering sector saw a net outflow of 473 million yuan from main funds, while retail investors contributed a net inflow of 386 million yuan [2] - The net inflow from speculative funds amounted to 87.18 million yuan [2] - A table showing the fund flow for individual stocks in the professional engineering sector was included [2]