Group 1 - The non-metal materials sector increased by 0.55% on January 16, with Lianrui New Materials leading the gains [1] - The Shanghai Composite Index closed at 4101.91, down 0.26%, while the Shenzhen Component Index closed at 14281.08, down 0.18% [1] - Lianrui New Materials had a closing price of 67.75, up 4.80%, with a trading volume of 84,900 shares and a transaction value of 565 million yuan [1] Group 2 - The non-metal materials sector experienced a net outflow of 18.35 million yuan from institutional funds and 15.77 million yuan from retail funds, while individual investors saw a net inflow of 34.12 million yuan [2] - The trading data for individual stocks in the non-metal materials sector shows varied performance, with Lianrui New Materials and Changjiang Materials seeing significant trading volumes and price changes [2][3] - Lianrui New Materials had a net outflow of 24.34 million yuan from institutional funds, while Changjiang Materials saw a net inflow of 17.35 million yuan [3]