HP's first-quarter earnings beat Wall Street expectations, sending the stock soaring in after-hours.
As Twitter continues to grow, teenagers are increasingly turning to the micro-blogging social network, jeopardizing Facebook's dominance.
Apple CEO Tim Cook is appearing before the Senate to discuss Apple's taxes.
Yahoo! CEO Marissa Mayer noted that "Tumblr has a really good thing going," and promised to help facilitate its growth.
Apple may be down on concerns that innovation is slowing and competitors are passing it by. But analysts may be missing its most important asset: its aspirational brand.
Yahoo!'s acquisition of Tumblr is a smart idea, but at $1.1 billion it better pay off for CEO Marissa Mayer.
Square's recently announced Stand could reinvent the payments industry, this time from a more traditional method.
Tesla shares fell Friday even as the electric car manufacture raises more than $1 billion and Morgan Stanley lifts its price target.
Tesla announced a huge secondary offering, taking advantage of a soaring stock price. CEO Elon Musk is buying a good chunk of it. As a shareholder, that's what you want to see.
Google made a huge mistake with its Google Play Music All Access announcement by not going after the competition in a smart way.