Opinion: Big Tech shows its good to be big, as growth slowdown leads to stock gains while smaller rivals find only pain Read more
Amazon stock suffers worst day in more than 15 years, wiping away more than $200 billion in market cap Read more
Opinion: Google’s earnings should be a warning to investors in Facebook and other online-ad companies Read more
For your shopping list: These big tech stocks have dropped as much as 20% over the past month Read more