According to @QCompounding, Phil Fisher stated that if the purchase analysis is correct, the time to sell a common stock is almost never, emphasizing a buy-and-hold, low-turnover approach; source: @QCompounding, Twitter, Jan 5, 2026. For traders, this underscores rigorous entry due diligence and holding through volatility unless the original thesis breaks, making selling the exception rather than the rule; source: @QCompounding, Twitter, Jan 5, 2026.