Rumor has it that the biggest market crash in history usually comes in October. Under such a terrifying risk, it is imperative to know when to take profit and when to stop loss. Last year might be the easiest one for all the investors to gain as the stock market went all the way up and showed no sign of stopping.
However, it's not always the case. The market is unpredictable for most of the time. Investors need to set a stop loss limit and a profit target  for every si...