Let's assume that I have a specific sample of stocks. 75% of the time, I can pick the correct direction to trade because they correlate with a certain characteristic. With this same sample of stocks, I can pick the correct direction to trade 75% of the time because they also correlate with another characteristic. Now if I pick one of these stocks that correlates with both characteristics do I enhance my probability of success and if so, by how much. Replies will be sincerely appreciates.