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).