2020 was the first year I experienced a major market downturn. Stock prices slid rapidly, and I saw my paper gains quickly turned into paper losses. As much as I can be reminded of Warren Buffett’s quote of “Be greedy when others are fearful, and be fearful when others are greedy.”, in reality, it is not so simple. I faced two dilemmas during the market downturn. “Should I sell now when I am still making a profit albeit a reduced one?” “Should I buy more given that I know the fundamentals of a particular company is good but the whole world is panicking and I do not know how much lower it will go?” I made the amateur mistake of both. Which is 1. to sell existing stocks the moment markets recovered with a reduced profit as compared to pre-COVID prices, and 2. not buying...