Nasdaq ends trading Monday within 2% of its all-time high The Nasdaq Composite COMP, +0.14% ended Monday’s trading session 5 points, or 0.1%, higher at 4,960, helped in large by a 2.7% jump in Apple Inc AAPL, -0.62% It hasn’t been this high in 15 years. Of course, the Nasdaq’s time above 5,000 lasted all of two days before the index lost 80% of its value over the next few years. While you wait to see if the Nasdaq will reach 5,000 again, here are four things to know about the tech-heavy index. Sources: FactSet Research Systems/The Wall Street Journal http://www.marketwatch.com/story/4-things-to-know-as-the-nas...