The earliest word comes from the army, which describes a team composed of people who are not afraid of death in order to achieve their own operational intentions or goals. Also known as "Team of Death" and "Team of Death".

Later, the word "death squads" was widely used, meaning a group of people who would never give up until they reached their goals.

If a profession is more dangerous than soldiers on the battlefield, it must belong to the death squad. Undeniably, death squads have the highest risk factor among all dangerous occupations, not only because they have to fight the enemy with real swords and guns at any time and place, but more importantly, they must go deep into the enemy's rear with wit and courage and hit the enemy's dead hole without the enemy knowing it.

The situation in the stock market is different from the "death squads" in the usual sense, that is, people who dare to try high-risk investments. Such a group of investors called "death squads" are often very courageous. What is important is that they often have some connections with institutional investors, and even some death squads will violate the legal bottom line and play the edge ball. In fact, it is a group of speculators who do short-term market. Once the trend changes, they take the lead in selling pressure, which often brings nightmares to other small and medium-sized retail investors.

It also refers to people who are in a hurry. Do things faster than anyone else.