基础化工行业周报：丁酮、天然气等涨幅居前，建议继续关注钛白粉板块和轮胎板块

Investment Rating - The report maintains a "Buy" rating for several companies, including China Petroleum, Sinopec, and various industry leaders in the chemical sector [32]. Core Insights - The report highlights significant price increases in certain chemical products such as butanone (up 7.69%), bisphenol A (up 5.88%), and sulfur (up 4.88%), while other products like ammonium nitrate and liquid chlorine saw substantial declines [7][19]. - It suggests a focus on sectors with potential for performance exceeding expectations, particularly in the tire, upstream mining, and titanium dioxide industries, as well as leading companies in various sub-sectors [20]. - The report notes that the oil prices have recently declined, with WTI at $69.46 per barrel (down 1.77%) and Brent at $72.94 per barrel (down 1.31%), indicating a volatile market influenced by geopolitical factors and demand concerns [40]. Summary by Sections Price Movements - Major price increases were observed in butanone (7.69%), bisphenol A (5.88%), and sulfur (4.88%), while significant declines were noted in ammonium nitrate (-13.04%) and liquid chlorine (-7.82%) [18][39]. - The report indicates that the chemical sector is experiencing mixed performance, with some sub-sectors like tires and upstream mining showing resilience despite overall weak demand [20]. Recommendations - The report recommends focusing on companies with strong cost advantages and stable competitive landscapes, particularly in the polyurethane, coal chemical, and titanium dioxide sectors [9][20]. - Specific companies highlighted for investment include Wanhua Chemical, Hualu Hengsheng, Longbai Group, and others in the agricultural chemicals and refrigerants sectors [9][20]. Market Outlook - The report anticipates that the market will enter a demand peak season, with certain leading companies showing signs of recovery in valuation and profitability [9][20]. - It emphasizes the importance of monitoring geopolitical developments and their impact on oil prices, which are expected to remain volatile in the near term [40].