Market Performance - A-shares experienced a comprehensive rise after the "May Day" holiday, with the Shanghai Composite Index increasing by 1.13% to 3316.11 points, the Shenzhen Composite Index rising by 2.25%, and the ChiNext Index surging by 2.75% [1] - The total trading volume across A-shares reached 1.3644 trillion yuan, significantly higher than the 1.1931 trillion yuan recorded on the last trading day before the holiday [1] Sector Performance - Sectors such as controllable nuclear fusion, Huawei HarmonyOS concept stocks, superconductors, rare earths, precious metals, general equipment, and communication equipment showed relatively strong performance [1] - The banking sector was one of the few to experience a slight decline, while the tourism sector saw minor increases, indicating weaker performance compared to other sectors [1] Economic Indicators - During the holiday, 314 million domestic trips were made, representing a year-on-year increase of 6.4%, with total spending by domestic tourists reaching 180.269 billion yuan, up 8.0% year-on-year [1] - The April Caixin Services Purchasing Managers' Index (PMI) fell to 50.7 from 51.9 in March, below the expected 51.8, while the manufacturing PMI slightly improved to 50.4 from 51.2, exceeding the expected 49.8 [1] External Market Influences - The US stock market experienced a slight pullback after a series of gains, while the Hong Kong stock market saw minor increases upon reopening [2] - The offshore RMB exchange rate continued to show strength, fluctuating around 7.21, despite a slight decrease in the rate of appreciation [2] - The upcoming Federal Reserve meeting is anticipated to maintain current interest rates, with potential for rate cuts later in the year [2] Investment Outlook - The A-share market is expected to maintain a consolidation pattern, with sector focus likely revolving around tariff-related news [2] - There is a possibility of stronger fiscal or monetary policies from management, which could create investment opportunities in directly benefiting sectors [2] - Technology and consumer sectors are viewed as having more opportunities for investment this year, suggesting a strategic allocation towards these areas [2]

Core Viewpoint - The report highlights the stable performance of Yongding Co., Ltd. in 2024, with significant growth in investment income contributing to the company's profits, leading to a "buy" rating for the stock [1][4]. Financial Performance Summary - In 2024, Yongding achieved a revenue of 4.111 billion yuan, a decrease of 5.4% year-on-year, while the net profit attributable to shareholders was 61 million yuan, an increase of 42% [2]. - The first quarter of 2025 saw a revenue of 878 million yuan, a year-on-year increase of 7.5%, and a net profit attributable to shareholders of 290 million yuan, a remarkable increase of 960.6% [2][3]. - The company's non-recurring net profit for Q1 2025 was 291 million yuan, reflecting a year-on-year growth of 1230.7% [2][3]. Business Segment Performance - The optical communication segment generated 1.116 billion yuan in revenue for 2024, up 35.6% year-on-year, with a gross margin of 16.60%, an increase of 3.26 percentage points [2]. - The automotive wiring harness segment reported a revenue of 1.206 billion yuan, down 13.7% year-on-year, with a gross margin of 13.18%, a decrease of 1.03 percentage points [2]. - The power engineering segment's revenue was 1.041 billion yuan, down 30.0% year-on-year, with a gross margin of 19.08%, a decrease of 1.02 percentage points [2]. - The big data application segment saw a revenue of 59 million yuan, down 38.1% year-on-year, but with a gross margin of 61.95%, an increase of 19.99 percentage points [2]. - The superconducting and copper conductor segment achieved a revenue of 586 million yuan, up 33.3% year-on-year, with a gross margin of 10.60%, a decrease of 4.66 percentage points [2]. Investment Income and Future Outlook - The significant increase in investment income for Q1 2025 was primarily due to equity method recognition of investment income from Dongchang Investment, amounting to 292 million yuan, an increase of 287 million yuan year-on-year [3]. - The company is expanding its presence in cutting-edge fields such as optical chips and superconductors, with ongoing collaborations with various clients and a focus on enhancing production capacity [3]. Investment Recommendations - The company is expected to maintain its market position in traditional sectors while strengthening its foothold in emerging fields, with projected net profits for 2025, 2026, and 2027 at 361 million yuan, 161 million yuan, and 203 million yuan, respectively [4].