汽车零部件板块8月13日涨1.72%，美晨科技领涨，主力资金净流入30.31亿元

Market Performance - The automotive parts sector increased by 1.72% on August 13, with Meichen Technology leading the gains [1] - The Shanghai Composite Index closed at 3683.46, up 0.48%, while the Shenzhen Component Index closed at 11551.36, up 1.76% [1] Top Gainers in Automotive Parts Sector - Meichen Technology (300237) closed at 2.59, up 19.91% with a trading volume of 2.3561 million shares [1] - Biaobang Co. (301181) closed at 35.00, up 12.40% with a trading volume of 195,700 shares [1] - Tenglong Co. (603158) closed at 9.30, up 10.06% with a trading volume of 375,700 shares [1] - Other notable gainers include Kuangda Technology (002516), Aerospace Science and Technology (000901), and Feilong Co. (002536) with respective increases of 10.05%, 10.03%, and 10.02% [1] Capital Flow Analysis - The automotive parts sector saw a net inflow of 3.031 billion yuan from institutional investors, while retail investors experienced a net outflow of 762 million yuan [2] - The main capital inflow was concentrated in stocks like Hunan Dayan (600698) and Aerospace Science and Technology (000901), which had significant net inflows [3] Individual Stock Capital Flow - Hunan Dayan (600698) had a net inflow of 6.98 million yuan from institutional investors, while retail investors saw a net outflow of 3.93 million yuan [3] - Aerospace Science and Technology (000901) experienced a net inflow of 4.43 million yuan from institutional investors, with retail investors facing a net outflow of 2.31 million yuan [3] - Meichen Technology (300237) had a net inflow of 1.28 million yuan from institutional investors, while retail investors saw a net outflow of 620,329 yuan [3]