Market Overview - On September 4, the electronic chemicals sector fell by 4.02%, with Siquan New Materials leading the decline [1] - The Shanghai Composite Index closed at 3765.88, down 1.25%, while the Shenzhen Component Index closed at 12118.7, down 2.83% [1] Stock Performance - Key stocks in the electronic chemicals sector showed varied performance, with Tian Tong Co. rising by 3.77% to a closing price of 11.00 [1] - Siquan New Materials experienced a significant drop of 15.29%, closing at 182.96, with a trading volume of 59,500 shares and a transaction value of 1.13 billion [2] - Other notable declines included Tian Cheng Technology down 7.78% and Xingfu Electronics down 6.42% [2] Capital Flow - The electronic chemicals sector saw a net outflow of 985 million from institutional investors, while retail investors had a net inflow of 1.005 billion [2] - The capital flow data indicates that while institutional investors withdrew funds, retail investors were actively buying into the sector [2] Individual Stock Capital Flow - Tian Tong Co. had a net inflow of 371 million from institutional investors, while Siquan New Materials saw a net outflow of 51.32 million from retail investors [3] - Other stocks like Lai Er Technology and Wei Te Ou also experienced mixed capital flows, with varying levels of institutional and retail investor activity [3]