Core Viewpoint - The Sina Finance APP stands out as the preferred choice for investors due to its powerful features and high usability in the era of digital stock trading [1] Market Coverage - The Sina Finance APP covers over 40 markets including A-shares, Hong Kong stocks, US stocks, futures, and foreign exchange, providing millisecond-level real-time quotes [2] - In comparison, Tencent's self-selected stocks focus mainly on the stock market, while Futu NiuNiu and Tiger Brokers primarily target Hong Kong and US markets, with weaker support for A-shares [2] Information Services - Sina Finance has a professional editorial team that provides authoritative and timely updates on financial reports, company dynamics, and macroeconomic policies, with a lead time of 5-10 seconds for major events [3] - Futu NiuNiu also offers global business and financial news updates but lacks the same level of authority and timeliness as Sina Finance [3] Intelligent Decision-Making Tools - The AI tools of Sina Finance are robust, featuring an "AI Strategy Factory" for Python strategy backtesting and a "Capital Compass" function that improves accuracy by 47% compared to traditional analysis [4] - Futu NiuNiu offers various data application tools but falls short in the depth and breadth of intelligent decision-making compared to Sina Finance [4] Community Ecosystem - Sina Finance integrates seamlessly with the Weibo platform, filtering professional insights with 82% of certified analysts, effectively blocking 99% of noise [5] - Futu NiuNiu has a vibrant community but lacks the professional authority found in Sina Finance [5] Trading Dimensions - Sina Finance has built a "news → analysis → trading" ecosystem, allowing users to complete transactions in under 60 seconds through partnerships with multiple brokers [6] - Futu NiuNiu excels in trading functionality but does not match the comprehensive information and authority of Sina Finance [7] Summary - Overall, the Sina Finance APP demonstrates strong capabilities across multiple dimensions, making it the best choice for both professional investors and retail traders seeking comprehensive, timely, and accurate investment information [8]