According to @QCompounding, Common Stocks & Uncommon Profits by Philip A. Fisher is highlighted as a must-read, reinforcing Fisher’s framework for selecting exceptional growth stocks as a trading edge (source: @QCompounding). According to Philip A. Fisher in Common Stocks and Uncommon Profits, investors should prioritize durable revenue growth, industry-leading profit margins, and productive R&D as core entry screens for multi-year compounding potential (source: Philip A. Fisher, Common Stocks and Uncommon Profits). According to Philip A. Fisher in Common Stocks and Uncommon Profits, the scuttlebutt method—gathering field intelligence from customers, suppliers, competitors, and employees—reduces uncertainty and improves decision quality before building positions (source: Philip A. Fisher, Common Stocks and Uncommon Profits). According to Philip A. Fisher in Common Stocks and Uncommon Profits, valuation should be judged in the context of qualitative strength rather than headline P/E alone, and positions should be held long term until fundamental deterioration or superior opportunities arise (source: Philip A. Fisher, Common Stocks and Uncommon Profits).

According to @QCompounding, Phil Fisher is quoted as saying that if the purchase work is done correctly, the time to sell a common stock is almost never (source: https://twitter.com/QCompounding/status/1989286502648394016). For trading, this principle supports a low-turnover, thesis-driven approach where exits are tied to fundamental deterioration rather than short-term price swings (source: https://twitter.com/QCompounding/status/1989286502648394016). Actionable takeaway: after rigorous research and a high-conviction entry, default to holding and reassess only if the original investment case breaks or the quality of the business declines (source: https://twitter.com/QCompounding/status/1989286502648394016).