The Dow Theory study

The Dow Theory
The Dow Theory was developed by Charles Dow. It identifies and signals the change in stock market trends. It’s useful for trading and investing.
The Dow Theory has six components:
The markets have three basic movements.
The market trends have three phases.
Stock prices reflect all news.
Financial market indexes should agree with each other.
Market trends should be confirmed by volume.
Market trends reverse after giving strong signals.
The markets have three basic movements. The movements include:
Primary trend, Secondary trend, Minor trend