贸易板块8月20日涨1.5%，南京商旅领涨，主力资金净流入3127.91万元

Group 1 - The trade sector increased by 1.5% on August 20, with Nanjing Shanglv leading the gains [1] - The Shanghai Composite Index closed at 3766.21, up 1.04%, while the Shenzhen Component Index closed at 11926.74, up 0.89% [1] - Nanjing Shanglv's stock price rose by 6.64% to 12.36, with a trading volume of 430,900 shares and a transaction value of 525 million yuan [1] Group 2 - The net inflow of main funds in the trade sector was 31.28 million yuan, while retail funds experienced a net outflow of 6.83 million yuan [1] - Nanjing Shanglv had a main fund net inflow of 42.36 million yuan, accounting for 8.07% of its total [2] - The stock of *ST PA saw a 3.13% increase, with a trading volume of 39,700 shares and a transaction value of 16.90 million yuan [1]