Investors might be tempted to sell high-growth stocks after that double, triple, or even quadruple in value. However, investors who take profits too soon often miss out on even bigger multibagger gains down the road. Today, three of our Motley Fool contributors will examine three growth stocks that should be held for a quarter century or more -- Tencent Holdings (NASDAQOTH: TCEHY), Booking Holdings (NASDAQ: BKNG), and Amazon (NASDAQ: AMZN).Leo Sun (Tencent Holdings): Tencent is an all-in-one investment on the Chinese tech market.