普钢板块11月21日跌3.42%，凌钢股份领跌，主力资金净流出4.89亿元

Market Overview - The steel sector experienced a decline of 3.42% on November 21, with Linggang Co. leading the drop [1] - The Shanghai Composite Index closed at 3834.89, down 2.45%, while the Shenzhen Component Index closed at 12538.07, down 3.41% [1] Individual Stock Performance - Linggang Co. closed at 2.30, down 6.50% with a trading volume of 353,700 shares and a turnover of 83.53 million yuan [1] - Anyang Iron & Steel closed at 2.28, down 5.79%, with a trading volume of 513,000 shares [1] - Anshan Iron & Steel closed at 2.55, down 5.56%, with a trading volume of 587,400 shares [1] - Other notable declines include Gonggang Co. down 5.25%, and Zhongnan Co. down 4.85% [1] Capital Flow Analysis - The steel sector saw a net outflow of 489 million yuan from main funds, while retail investors contributed a net inflow of 489 million yuan [1] - The table of capital flow indicates that Baosteel Co. had a net inflow of 31.51 million yuan from main funds, while it faced a net outflow of 50.99 million yuan from speculative funds [2] - Sansteel Mingguang experienced a net inflow of 29.12 million yuan from main funds, but also saw a significant outflow from retail investors [2]