行业景气观察：1-2月社零同比增幅扩大，原油价格快速上涨

Group 1: Overall Economic Trends - The total retail sales of consumer goods in January-February 2026 increased by 2.8% year-on-year, driven by the long Spring Festival holiday, which boosted dining and travel demand, along with new subsidy funds [12][20] - The retail sales excluding automobiles reached 79,827 billion yuan, growing by 3.7% year-on-year, indicating a compound annual growth rate of 3.4% over two years [12][20] Group 2: Consumer Demand Insights - The consumption structure continues to upgrade, with service and dining retail sales growing faster than goods retail sales, and online retail sales of physical goods outpacing overall retail growth [20] - Essential consumption categories showed widespread improvement, with year-on-year growth in staple food, beverages, and clothing, while tobacco sales turned positive [20][16] - The new "trade-in" subsidy program, along with platform subsidies and Spring Festival activities, led to positive growth in home appliances and furniture, while communication equipment maintained high growth [20][16] Group 3: Information Technology Sector - The Philadelphia Semiconductor Index declined, while the Taiwan Semiconductor Industry Index and DXI Index increased [7] - DRAM prices showed a mixed trend, with the DRAM Index rising by 4.13% and NAND Index also increasing, while DDR5 DRAM prices fell [7][10] Group 4: Midstream Manufacturing Sector - The prices in the new energy supply chain mostly declined, and the automotive production turned negative with a year-on-year decline of 7.52% [7][19] - The sales of major engineering machinery companies mostly turned negative in February, indicating a slowdown in the manufacturing sector [7][19] Group 5: Resource Sector Tracking - The average transaction volume of construction steel increased, while coal prices showed mixed trends with some declines in specific regions [5][22] - Brent crude oil prices rose significantly, with a week-on-week increase of 17.15%, contributing to a general rise in chemical product prices [9][24] Group 6: Financial and Real Estate Sector - The monetary market saw a net absorption, with SHIBOR rates declining, while the turnover rate and daily transaction volume in the A-share market decreased [5][29] - The transaction area of new houses and the sales area of commercial housing showed a year-on-year decline, although the decline in real estate development investment narrowed [5][31]