Quantitative trading data analysis tool. Provides real-time market data for A-shares, US stocks, HK stocks, and precious metals, along with multi-dimensional scoring (technical, fund flow, and fundamental analysis). Includes limit up/down stock pools, northbound capital flow, and minute-level fund flow data. Use when: (1) querying real-time market data and scores for any stock, (2) analyzing A-share limit up/down anomalies, (3) viewing northbound capital flows, (4) accessing US stock, HK stock, and precious metal market data, (5) obtaining a global market overview, (6) performing individual stock fund flow analysis.