The market is a bloodsucker, so adopt a system you are comfortable with and leave emotions at the door. I watch price and volume and aim for low risk entries. I don't pick exact tops/bottoms, I just want the cut in-between.
Great online tool for: stock targets and stop limit prices, target potential (of reaching a stock's target), trade quality with profit/loss ratios, real stock support and resistance levels, custom stock sectors, and much more! Not investment advice.