12月31日滬深兩市平淡開盤后走低，尾盤護盤失敗，滬指再度跳水跌幅近1%。

截至收盤，滬指收報3539.18點，跌33.70點，跌0.94%；深指報12664.89點，跌224.95點，跌1.75%；創業板報2714.05點，跌65.47點，跌2.36%。行業板塊全面收跌，兩市共成交6865.97億元。

東方財富網數據顯示，12月31日共有15只A股換手率超過20%，其中中堅科技換手率最高，達73.74%。

兩市換手率前50個股

序號證券簡稱收盤價(元)換手率(%)漲跌幅(%)振幅(%)1中堅科技78.273.747.3616.642博敏電子51.2872.215.6915.173邦寶益智92.4270.9010.005.674安記食品55.3763.72-8.849.15道森股份53.9349.89-10.007.616讀者傳媒58.847.1410.011.57凱龍股份127.844.63-10.007.138青海明膠18.4640.1910.017.699華銘智能40.4527.963.085.2510韓建河山40.9627.860.545.611康耐特24.9926.71-6.336.3712海倫鋼琴27.4823.34-7.798.7213匯金股份56.7222.060.4211.4214雪峰科技33.7421.95-6.108.4915石大勝華42.2520.54-1.817.6216永創智能37.4219.55-5.846.3717山東路橋8.9719.422.878.1418唐德影視8219.33-7.4710.219弘高創意30.219.066.346.0620中電電機58.6119.05-0.696.2721索菱股份49.5518.86-3.9410.6622林海股份14.1918.776.1315.7823電光科技49.1418.434.7812.0324新宙邦58.518.400.869.7125眾和股份21.8418.23-10.0110.4726雄韜股份30.6117.76-5.795.7627首鋼股份4.0817.219.9710.2428賽摩電氣65.5317.18-5.289.529冠福股份14.8817.129.989.4630德聯集團13.317.04-7.646.8131億通科技29.1116.68-9.6014.6632三圣特材44.9215.93-2.675.733日上集團36.6915.897.005.5434三五互聯26.515.67-2.007.7335大康牧業8.4915.415.606.2236招商蛇口20.8614.75-10.016.3837易尚展示107.414.60-8.879.7638長方照明10.7414.504.2710.7839贛鋒鋰業62.9314.49-0.447.3140博匯紙業4.5214.45-3.427.9141諾力股份38.9414.38-2.368.7542東風科技22.4614.20-3.1511.6443濮陽惠成5614.09-5.646.4744奮達科技43.713.892.1311.6445浩豐科技19113.79-9.009.9846高鴻股份15.6313.740.198.0847雙杰電氣32.7813.69-5.947.2948太極股份67.113.602.4115.3749襄陽軸承12.4113.5110.027.2750柘中股份19.5713.380.576.63

數據來源：東方財富Choice數據