塑料板块1月23日涨1.68%，瑞华泰领涨，主力资金净流出1.37亿元

Group 1 - The plastic sector experienced a rise of 1.68% on January 23, with Ruihua Tai leading the gains [1] - The Shanghai Composite Index closed at 4136.16, up 0.33%, while the Shenzhen Component Index closed at 14439.66, up 0.79% [1] - Ruihua Tai's stock price increased by 20.01% to 25.91, with a trading volume of 192,300 shares and a transaction value of 470 million [1] Group 2 - The plastic sector saw a net outflow of 137 million from institutional investors and 308 million from retail investors, while retail investors had a net inflow of 446 million [2] - The stock "Puli Te" had a net inflow of 1.47 million from institutional investors, but a net outflow of 1.61 million from retail investors [3] - "Nengzhiguang" had a significant net inflow of 673.1 million from institutional investors, indicating strong interest [3]