A long-term investor in Apple (AAPL) might be perfectly thrilled at the stock's performance. It has returned 663% over the past 10 years, compared with a return of 261% for the S&P 500 SPX. And ...

Amazon’s Prime Day sale officially ended Friday night. It was a four-day sale bonanza, a first for the major retailer which typically has a 48-hour flash sale in the summer. But while Prime Day might ...