Core Insights - Zhang Yaokun, known as "Tank," is a prominent futures investor who achieved remarkable investment performance, growing his capital from 200,000 to 80 million in just three years using his self-created trading system [1][3] Group 1: Trading Journey - Zhang began his trading career in 2006, facing significant losses until a turning point in 2012 when he capitalized on a soybean meal market surge, achieving a 30-fold return [3] - His trading strategy involved heavy leverage and concentrated positions, allowing him to maximize returns during market cycles [3][5] - By 2015, he had successfully grown his capital to 80 million through strategic trading in futures and stock index futures [3] Group 2: Tank Trend Trading System - The "Tank Trend Trading System" focuses on identifying opportunities during market consolidation phases after significant price movements, emphasizing bottom-fishing and top-picking rather than chasing trends [4][5] - Zhang's analysis relies solely on naked candlestick patterns, believing that most technical indicators are speculative and that understanding market fundamentals is crucial for success [5] Group 3: Investment in A-shares - Transitioning to the A-share market, Zhang's portfolio reached a market value of 1.617 billion by March 31, 2025, showcasing his prowess as a retail investor [7][8] - His investments include significant stakes in companies like Feilong Co. and Hongchuang Holdings, with notable profits from strategic buying and holding [8]