化工概念股走强，化工相关ETF涨近3%

Group 1 - Chemical concept stocks strengthened, with Hengli Petrochemical rising over 6%, and Wanhua Chemical and Yuntianhua both increasing over 4% [1] - Chemical-related ETFs rose nearly 3% due to market influences [1] Group 2 - In the agricultural chemical sector, the spring farming preparation for fertilizers is gradually starting, leading to a traditional demand peak in the fertilizer market, with recent structural price increases in domestic fertilizers [2] - In the textile and apparel sector, from March to April each year, downstream textile companies concentrate on purchasing chemical fiber raw materials to meet production needs for spring and summer clothing and home textiles, with low inventory chemical fiber varieties expected to show price elasticity [2]