The following commentary comes from an independent investor or market observer as part of TheStreet's guest contributor program, which is separate from the company's news coverage.By
|Amazon's Kindle Fire|
In addition to the tech giants' results and guidance, it's worth keeping an eye on the performance of certain business units, as well as commentary on key trends.
It took Instagram just four months to add another 100 million active users.
The White House revealed its highly anticipated tax plan this afternoon and markets reacted with a shrug.
Amazon's new 'style assistant,' the Echo Look, potentially opens up whole new markets for the e-commerce giant.