贸易板块12月30日跌1.04%，凯瑞德领跌，主力资金净流出8393.7万元

Core Viewpoint - The trade sector experienced a decline of 1.04% on December 30, with key stocks like 凯瑞德 leading the drop, while the overall market showed mixed results with the Shanghai Composite Index closing at 3965.12, down 0.0%, and the Shenzhen Component Index at 13604.07, up 0.49% [1] Trade Sector Performance - The trade sector's stocks showed varied performance, with notable declines in stocks such as 訓瑞德, which fell by 5.18% to a closing price of 7.32, and 中信金属, which decreased by 2.39% to 14.29 [1] - The trading volume for 訓瑞德 was 232,300 shares, with a transaction value of 171 million yuan, while 中信金属 had a volume of 275,800 shares and a transaction value of 392 million yuan [1] Capital Flow Analysis - The trade sector saw a net outflow of 83.937 million yuan from institutional investors, while retail investors contributed a net inflow of 81.328 million yuan [1] - Individual stock capital flows indicated that 訓瑞德 had a net inflow of 3.9623 million yuan from institutional investors, while it faced a net outflow of 12.9702 million yuan from retail investors [2] - 江苏国泰 experienced a significant net outflow of 21.2126 million yuan from institutional investors, despite a net inflow of 17.088 million yuan from retail investors [2]