Basicly it's about the market (bearish\bullish) and your position's type (long\short). But there is no ONE factor, which can help you make it profitble. It's all about the analysis, which is complex of factors.
If you want to end up with a nonaverage net worth, a “learn from someone else” attitude is paramount. Putting your ego aside and admitting that you don’t know it all isn’t easy, but it is the mindset of true winner ----Paul Tudor Jones.