Day-traders incur huge opportunity losses by using targets instead of trailing stops
Besides price and fundamental data, there is a treasure trove of quantitative information about investor psychology that can be used for trading. We cover this in Course & Anticourse.
Technical Analysis provides several chart patterns. These are largely redundant.
This is a simple, yet very effective day trading strategy, as it gives you complete control over your capital - besides which it has a reasonably good chance of success. A video clip is included.