Market Overview - The plastic sector experienced a decline of 1.7% on October 30, with Daon Co. leading the drop [1] - The Shanghai Composite Index closed at 3986.9, down 0.73%, while the Shenzhen Component Index closed at 13532.13, down 1.16% [1] Stock Performance - Notable gainers in the plastic sector included: - Hechang Polymer (Code: 920089) with a closing price of 21.00, up 7.31% [1] - Shangwei New Materials (Code: 688585) with a closing price of 115.90, up 7.11% [1] - Jiangsu Boyun (Code: 301003) with a closing price of 38.63, up 3.65% [1] - Major decliners included: - Daon Co. (Code: 002838) with a closing price of 24.24, down 9.32% [2] - Henghe Precision (Code: 300539) with a closing price of 47.51, down 6.75% [2] - Shengquan Group (Code: 605589) with a closing price of 28.69, down 5.59% [2] Capital Flow - The plastic sector saw a net outflow of 1.341 billion yuan from institutional investors, while retail investors contributed a net inflow of 1.074 billion yuan [2] - The overall capital flow indicates a mixed sentiment, with institutional investors pulling back while retail investors showed interest [2] Individual Stock Capital Flow - Key stocks with significant capital flow include: - Jun Ding Da (Code: 301538) with a net inflow of 20.2816 million yuan from institutional investors [3] - Jiangsu Boyun (Code: 301003) with a net inflow of 11.9288 million yuan from institutional investors [3] - Shenkai Co. (Code: 002361) with a net inflow of 1.8538 million yuan from retail investors [3]