I'm sure you have noticed the unstableness of the Wall Street. It has gone up and down in great numbers. When it goes down the investors get very nervous. They can see their profits going out the window. The world system is totally built on the fact of making profit.
Profit means getting gain from some service or endeavor.
When the profits are down prices usually go up. Every business is operated on the premise of making profit. Every position of employment is secure only as profit is experienced. If profit is not realized, then job layoffs are usually in order. The Bible lays out several things that bear no profit.