专用设备板块12月12日涨2.08%，大鹏工业领涨，主力资金净流入17.43亿元

Group 1 - The specialized equipment sector increased by 2.08% compared to the previous trading day, with Dapeng Industrial leading the gains [1] - The Shanghai Composite Index closed at 3889.35, up 0.41%, while the Shenzhen Component Index closed at 13258.33, up 0.84% [1] - A table detailing the individual stock performance within the specialized equipment sector was provided [1] Group 2 - The net inflow of main funds into the specialized equipment sector was 1.743 billion yuan, while retail funds experienced a net outflow of 939 million yuan [2] - The net outflow of speculative funds was 804 million yuan [2] - A table showing the fund flow for individual stocks in the specialized equipment sector was included [2]