The best traders don't play offense. They play defense. When they trade, they are reactionary. They let the market tell them what to do. These traders know that the market has a "memory." This means that important support and resistance levels can stay intact for long periods of time. It could be weeks, months — or even years. As you can see on the chart, this could be the case with the $225 level for Humana Inc. HUM. This is why our team of technical analysis experts has made it our Stock of the Day. If a ...