石头科技：上半年营收增长78.96%，净利润增速与科沃斯冰火两重天

Core Insights - Stone Technology (688169.SH) reported a significant revenue increase of 78.96% year-on-year, reaching 7.903 billion yuan, driven by domestic "trade-in" policies and accelerated overseas channel expansion [1] - However, the company's net profit attributable to shareholders plummeted by 39.55% to 678 million yuan, contrasting with competitor Ecovacs, which achieved a revenue of 8.676 billion yuan, up 24.37%, and a net profit increase of 60.84% to 979 million yuan [1] Financial Performance - The company's aggressive expansion strategy led to a substantial rise in costs, with sales expenses soaring by 144.51% to 2.165 billion yuan, aimed at increasing physical stores in Europe and America and enhancing global marketing efforts [1] - Research and development expenses also surged by 67.28% to 685 million yuan, focusing on cutting-edge technologies such as robotic arms and AI models, with the R&D team expanding by over 70% [1] - The gross profit margin faced significant pressure, declining to 44.56%, while inventory balance skyrocketed by 110% to 3.13 billion yuan, indicating potential overstock issues [1] - The net cash flow from operating activities fell dramatically by 179.84% to -823 million yuan, highlighting severe cash flow challenges [1]