化工板块维持景气度，锰酸锂、电解液（磷酸铁锂）等产品涨幅居前

Group 1 - The basic chemical industry index closed at 4633.49 points this week, up 0.90% from last week, outperforming the CSI 300 index by 1.47% [1][2] - Among the sub-industries, 19 out of 25 sectors saw gains, while 6 sectors experienced declines. The leading sectors included coal chemical, carbon black, synthetic resin, paint and ink, and nitrogen fertilizer, with weekly increases of 3.82%, 2.70%, 2.49%, 2.46%, and 2.31% respectively [1][2] - The sectors that declined included modified plastics, titanium dioxide, and other rubber products, with weekly decreases of -3.78%, -2.85%, and -0.93% respectively [1][2] Group 2 - In the chemical sector, 261 out of 462 stocks rose this week, accounting for 56%, while 188 stocks fell, making up 41% [3] - The top ten stocks with the highest gains over the week included Bofei Electric, Qicai Chemical, Aladdin, and others, while the top ten stocks with the largest declines included ST Jiaao, Pulite, and Longgao shares [3] Group 3 - Among the 380 tracked chemical products, 89 saw price increases while 70 experienced price drops this week [4] - The top ten products with the highest price increases included lithium manganate, electrolyte (lithium iron phosphate), and industrial-grade lithium carbonate, while the top ten products with the largest price declines included vitamin VD3, lithium hexafluorophosphate, and NYMEX natural gas [4]