Don't Peek
"Don't peek at your portfolio constantly. The more you look, the more likely you are to make an emotional mistake."
Constant portfolio monitoring encourages harmful impulsive changes.
Read Full Analysis →John Clifton "Jack" Bogle (May 8, 1929 – January 16, 2019) was an American investor, business magnate, and philanthropist. He founded The Vanguard Group in 1975 and created the first index mutual fund available to individual investors, revolutionizing the investment industry. Bogle is credited with pioneering low-cost investing and championing the rights of individual investors against Wall Street's high fees....
"Don't peek at your portfolio constantly. The more you look, the more likely you are to make an emotional mistake."
Constant portfolio monitoring encourages harmful impulsive changes.
Read Full Analysis →"Time in the market beats timing the market. Nobody can consistently predict short-term market movements."
Nobody can consistently predict short-term market movements.
Read Full Analysis →"Time is your friend; impulse is your enemy. Stay the course through market ups and downs."
Long-term discipline beats short-term market timing.
Read Full Analysis →John Bogle has 3 key principles on long-term investing. The most important one is "Don't Peek" — Don't peek at your portfolio constantly.
John Bogle applies long-term investing through several key principles including "Don't Peek" and "Time, Not Timing". These principles guide practical investment decisions and have been tested across decades of market cycles.
John Bogle's approach to long-term investing is distinguished by a focus on long-term thinking and fundamental analysis. With 3 specific principles in this area, John Bogle provides a comprehensive framework that investors at any level can study and apply to improve their decision-making.