Buying is mainly about purchasing the future; the hope is that the future being bought will appreciate. There are several key factors in stock trading – volume, price, and timing. Timing refers to the time of entry, which is the most important factor. If the timing of entry is well chosen, even if it's not perfect, there can still be profits. However, if the entry timing is poor, then even if the right stock is chosen, it may not rise, and it might even lead to... The best securities knowledge website - stock website - basic knowledge.