医疗耗材供应链SPD板块1月30日跌1.65%，塞力医疗领跌，主力资金净流出2.31亿元

Core Viewpoint - The medical consumables supply chain (SPD) sector experienced a decline of 1.65% on January 30, with major losses led by Saili Medical, while the overall market indices also fell [1][2]. Group 1: Market Performance - The Shanghai Composite Index closed at 4117.95, down 0.96%, and the Shenzhen Component Index closed at 14205.89, down 0.66% [1]. - The SPD sector's individual stock performance showed varied results, with Wenlong Technology rising by 3.69% to a closing price of 25.01, while Saili Medical fell by 4.57% to 22.12 [1][2]. Group 2: Trading Volume and Value - The trading volume for Wenlong Technology was 21,800 hands with a transaction value of 54.02 million yuan, while Saili Medical had a trading volume of 128,200 hands and a transaction value of 286 million yuan [1][2]. Group 3: Capital Flow - The SPD sector saw a net outflow of 231 million yuan from main funds, while retail investors contributed a net inflow of 243 million yuan [2]. - The capital flow data indicated that major funds had a negative net inflow for several companies, including Guoyao Co. and Kangdelai, while retail investors showed positive net inflows for companies like Guoyao Co. and Da Jia Wei Kang [3].