Group 1 - The Terahertz concept sector rose by 1.65%, ranking fourth among concept sectors, with 10 stocks increasing in value, led by ShuoBeide which hit a 20% limit up [1] - Notable gainers in the Terahertz sector include Chuangyuan Xinke, Saiwei Electronics, and Shaanxi Huada, which rose by 4.96%, 3.97%, and 3.88% respectively [1] - The sector experienced a net inflow of 0.80 billion yuan from main funds, with ShuoBeide receiving the highest net inflow of 6.22 billion yuan [2][3] Group 2 - The main fund inflow ratios for ShuoBeide, Shaanxi Huada, and Saiwei Electronics were 16.10%, 11.75%, and 8.58% respectively, indicating strong investor interest [3] - The top stocks in the Terahertz concept based on fund inflow include ShuoBeide, Saiwei Electronics, and Shaanxi Huada, with significant trading volumes and turnover rates [3] - The overall market saw declines in other sectors, with notable losers including Tianhai Defense and LeiKe Defense, which fell by 1.75% and 1.61% respectively [1][4]