塑料板块1月27日涨0.16%，斯迪克领涨，主力资金净流出12.63亿元

Group 1 - The plastic sector experienced a slight increase of 0.16% on January 27, with Stik leading the gains [1] - The Shanghai Composite Index closed at 4139.9, up by 0.18%, while the Shenzhen Component Index closed at 14329.91, up by 0.09% [1] - Stik's stock price rose by 20.00% to 50.04, with a trading volume of 458,000 shares and a transaction value of 2.15 billion [1] Group 2 - The plastic sector saw a net outflow of 1.263 billion from major funds, while retail investors contributed a net inflow of 1.333 billion [2] - The top gainers included Kent Shares, which rose by 7.60% to 54.36, and Su Lai New Materials, which increased by 4.69% to 44.66 [1][2] - The top losers included Ruihua Tai, which fell by 4.73% to 29.62, and Foshan Plastic Technology, which decreased by 4.51% to 12.07 [2]