The Dow theory on stock price movement is a form of technical analysis that includes some aspects.
The market trend can be analysed by daily line charts with 2 years of data using Dow Theory.
In the chart, need to mark the tops and bottoms. And qualify them as Higher Top(H.T), Higher Bottom(H.B), Lower Top(L.T), Lower Bottom(L.B).
Follow the sequence with the significance of volume at breakout to determine the trend.
Bullish: H.B – H.T and Bearish: L.T – L.B