Instead of looking at absolute dollar amounts, its helpful to look at percentage gains compared to their 3 main competitors ... http://www.google.com/finance?q

Instead of looking at absolute dollar amounts, its helpful to look at percentage gains compared to their 3 main competitors ... http://www.google.com/finance?q=aapl%2C+msft%2C+goog%2C+amzn http://www.google.com/finance?q=aapl%2C+msft%2C+goog%2C+amzn If you plot this over 1 year you'll see that apple rose a lot more than the other three and so had a bit further to fall.