Market Overview - The non-metal materials sector increased by 2.12% on January 6, with Quartz Co. leading the gains [1] - The Shanghai Composite Index closed at 4083.67, up by 1.5%, while the Shenzhen Component Index closed at 14022.55, up by 1.4% [1] Stock Performance - Key stocks in the non-metal materials sector showed the following performance: - Quartz Co. (603688) closed at 38.95, up by 4.28% with a trading volume of 212,900 shares and a transaction value of 836 million [1] - Tianma New Materials (920971) closed at 31.85, up by 3.11% with a trading volume of 33,600 shares and a transaction value of 106 million [1] - Suotong Development (603612) closed at 25.82, up by 3.03% with a trading volume of 278,800 shares and a transaction value of 711 million [1] Capital Flow - The non-metal materials sector experienced a net inflow of 133 million from institutional investors, while retail investors saw a net outflow of 97.65 million [2] - The capital flow for key stocks is as follows: - Suotong Development had a net inflow of 69.37 million from institutional investors [3] - Quartz Co. saw a net inflow of 60.33 million from institutional investors [3] - Longgao Co. (605086) had a net inflow of 17.34 million from institutional investors [3]