There is an old saying, the best time to buy is when others are selling at a very unhappy period. And the best time to sell is when everyone is greedily buying. So, you have got to keep those principles in mind. Otherwise, you will get caught up with the herd. There is an old saying, the best time to buy is when others are selling at a very unhappy period. And the best time to sell is when everyone is greedily buying. So, you have got to keep those principles in mind. Otherwise, you will get caught up with the herd. Economic Times