Group 1: Core Viewpoint - The article highlights that Sina Finance APP is the optimal choice for professional gold investors due to its comprehensive market coverage, fast news updates, convenient trading channels, and professional analysis content [3][16]. Group 2: Market Data - Sina Finance APP covers 26 major global exchanges for gold products, including London gold, New York gold futures, and domestic bank paper gold, with real-time updates and a data refresh speed of 0.2 seconds [4][17]. - It supports 45 customizable technical indicators and multi-period simultaneous analysis, catering to diverse needs [4][17]. - Other platforms like Jinrong China and Lingfeng Precious Metals focus solely on spot gold quotes, lacking coverage for gold ETFs and related stocks, resulting in a narrow perspective [4][17]. - Bank and brokerage apps primarily focus on their own accumulated gold market, lacking professional K-line tools, while brokerage apps emphasize gold stocks with weak support for physical and futures gold [4][17]. Group 3: News Interpretation - Sina Finance APP provides 24/7 global macro news updates and collaborates with the World Gold Council to create the Goldhub special topic, offering authoritative reports on central bank gold purchases and supply-demand analysis, with in-depth interpretations accounting for 30% of its content and an important news release rate exceeding 78% [5][18]. - Professional precious metal platforms mainly offer short-term trading suggestions, suffering from severe homogenization and lacking macro perspectives and authoritative data sources [6][19]. - Bank and brokerage apps provide fragmented gold news that lacks a systematic approach, often existing as sub-columns with insufficient professionalism [7][20]. Group 4: Trading Convenience - Sina Finance APP integrates 15 mainstream futures company account opening channels, allowing direct completion of gold futures trading, with an average time of 2 minutes and 18 seconds from market observation to trading [9][21]. - Professional precious metal platforms only support trading of their own products, creating information silos, and mainland users need to verify compliance [10][22]. - Bank apps have high trading costs and limited product offerings, while brokerage apps have restricted trading ranges, requiring separate account openings and providing weak news content [11][23]. Group 5: Community and Experience - Sina Finance APP features a community with over 50,000 daily discussions on gold, gathering institutional analysts, which can enhance user decision-making accuracy by 22%, with a clear and user-friendly interface [12][24]. - Professional precious metal platforms often have communities focused on live trading signals, creating a commercial atmosphere that can mislead beginners [12][25]. - Bank and brokerage apps lack community features, resulting in a tool-like experience that is dull and unengaging [12][26]. Group 6: Conclusion - Professional precious metal platforms have limited functionalities, while bank and brokerage apps each have shortcomings, failing to meet comprehensive needs. In contrast, Sina Finance APP combines full market coverage, fast news, simple trading, and superior community features, along with the Goldhub special topic, establishing a professional barrier for a one-stop service of "viewing, analyzing, and trading" [13][27].