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先定性,再定量——必须先选定企业的好坏也就是好股烂股的情况下,再决定投资的价格和规模。
Qualitative first, then quantitative. You must first determine whether a company is good or bad — whether it's a good stock or a lousy stock — before deciding on the price and position size.
📖出自《雪球专栏》(2018)