The market power indicates the control level of an enterprise or a group of enterprises on a certain industrial price and strategic decision of production under the market environment.

In fact, price-fixing is normal in all industrialized societies because the industrial system itself provides, as an effortless consequence of its own development, the price-fixing that it requires.

So the Dow Jones number you hear in the news each night is simply this weighted average of stock prices. Because of this, the Dow Jones Industrial average should just be considered a price in itself.