The Few Companies Driving Earnings Growth

The S&P 500 is a broad index intended to capture the performance of a wide swath of American business.

Yet, so far this year, just 10 companies are responsible for about 90% of earnings growth.

In this video, Fool columnist Morgan Housel and Austin Smith discuss how this skew came about, and what it means for investors. 

There is no argument that Apple is at the center of technology's largest revolution, and that longtime shareholders have been handsomely rewarded with over 1,000% gains. However, there is a debate raging as to whether Apple remains a buy. The Motley Fool's senior technology analyst and managing bureau chief, Eric Bleeker, is prepared to fill you in on both reasons to buy and reasons to sell Apple, and what opportunities are left for the company (and more importantly, your portfolio) going forward. To get instant access to his latest thinking on Apple, simply click here now.