Lot of time is spent by new traders in tactical details of the methods like scan or indicator without understanding the core concept. Understanding the core concept is the key to trading any method.
Once you understand the logic behind core concept you would be able to do your own scans and trade some of the methods discussed here profitably with conviction.
Market Breadth can help you determine market direction
Equity selection is "the key" to profitability
Using Momentum+growth+Event catalyst
Price Momentum from a yearly low Because trends start from a low point
Price Momentum six month
Modified Double Trouble
Historic precedent analysis
Growth stock+IBD 100 and 200
IBD 100 + IBD 200
Post Earnings Announcement Drift PEADS The most robust anomaly found to date
Earnings Episodic Pivots
Post news announcement drift
Other Episodic Pivots
Momentum and mean reversion
Entry on weakness for swing trading in a momentum stock
Initial stop placement
Position Sizing Calculator
Fast exit on trades that do not work
Exit in to euphoria
Higher risk on conviction trades
If you feel these ideas can work for "you" and want to develop "expertise" at trading these ideas, you need to understand the core concepts in detail.
The more you become knowledgeable at the core concept you will find it easier to trade methods based on that. You will be able to improve on them.
These are not the only core concept which work. Most of the things that work in he market are well researched and are in public domain. If you base your methods on core concepts you have a structural edge.
Focusing on core concept that work in market is key to building a profitable strategy.