1. Dow Theory proposes that markets move in trends and have three phases: accumulation, trend, and distribution. It also states that markets discount all news and the industrial and transportation averages must confirm each other.
2. Volume confirms price and trends, with volume increasing in the direction of the trend. Trends tend to continue until they don't, but it can be difficult to determine when a trend is ending.
3. The document discusses tools for analyzing markets based on Dow Theory, including candlestick charts, calendars, comparing the Dow Jones Industrial and Transportation averages, and using volume weighted average price to analyze volume at price levels.