Twitter's earnings and advertising revenue both topped estimates, but a warning on user growth sent shares negative.» Read More
Apple's stock has sunk in after-hours trading and is on course to write a new page in the history books.
Alibaba has moved to assure its cloud customers that their data is safe, as it looks to expand further into markets like the U.S.
The CEO of ARM, the chipmaker whose share price spiked this year on Apple takeover rumors, said being independent is “right” for the firm.
Apple, Microsoft and Yahoo shares all dropped after earnings, and "Fast Money" traders looked at how to play the moves.
AshleyMadison.com can kiss goodbye plans for a listing on the London Stock Exchange this year, banking sources said.
Apple shares continued their skid after the company barely beat earnings expectations, but analyst Dan Ernst says the business is still growing.
A huge computer attack against JPMorgan Chase last summer may have been more of an attempt to fuel an ongoing pump-and-dump stock scheme.
CNBC's Jim Cramer explains why he thinks Microsoft shares dropped despite reporting a good fourth quarter.
A pair of veteran cybersecurity researchers have shown they can use the Internet to turn off a car's engine as it drives.
Chinese electronics giant Lenovo is looking to extend its grip on the PC space as it remains bullish on its dominance of a declining market.
Google's rivals have asked EU regulators to probe the group's dominance of the technology at the heart of the market for online display ads.
Apple CEO Tim Cook said the company is keeping the "pedal to the metal" for its China expansion.
The technology giant reported profit of 62 cents per share on $22.18 billion in revenue, but shares fell in extended trading.
Yahoo beat on revenue but also announced lowered guidance for the third quarter of 2015.
As critical as China has become to Apple's future, the tumbling stock market there has yet to dampen investor enthusiasm for the iPhone maker.
LifeLock shares were battered after the Federal Trade Commission claimed the company violated the terms of a 2010 settlement.
Walter Price, a senior portfolio manager, offered his preview for tech earnings to come out later on Tuesday, including Apple and Microsoft.
Technical analyst Rich Ross explains why Apple could break out as much as 10 percent after earnings.
Apple reports quarterly results after the bell. Here's what Piper Jaffray's Gene Munster says you should look for.
Qualcomm is expected to conduct a strategic review that may result in a breakup of the company, among other options, The Wall Street Journal reported.
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Matt Hunter is the senior technology editor at CNBC.com.
Ari Levy is CNBC.com's senior technology reporter in San Francisco.
Working from Los Angeles, Boorstin is CNBC's media and entertainment reporter and editor of CNBC.com's Media Money section.
Jon Fortt is an on-air editor. He covers the companies, start-ups, and trends that are driving innovation in the industry.
Josh Lipton is CNBC's technology correspondent, working from CNBC's Silicon Valley bureau.