Alibaba shares traded as high as $99.70 in its market debut, a gain of nearly 50% above its IPO price, before paring gains.» Read More
Though pricing Twitter is difficult, it certainly isn't worth what it's trading at, said Aswath Damodaran, a finance professor at NYU's Stern School.
The stock market could pull back as much as 5 percent if the Fed starts to taper in December, JPMorgan's Thomas Lee told CNBC. But he said to buy any dips.
Internet stocks have been on fire during the last year, but the sector may be bracing for a pullback.
Tech giant Apple is developing a new iPhone design that incorporates a curved screen and enhanced sensors, according to a report.
From Google glass to smart lightbulbs that can influence consciousness and alertness, humans and technology are stealthily merging, says Terry Tamminen.
Facebook director Marc Andreessen's venture-capital firm sold a third of its stake in Facebook, according to a recent regulatory filing.
Amazon customers in New York and Los Angeles will be the able to have their packages delivered on a Sunday, the online retailer announced.
Julia Boorstin talks with Ben Popper of The Verge about Twitter's profitability.
Apple has signed a $578 million deal with U.S. manufacturer GT Advanced Technologies to become its producer of sapphire substrate, or sapphire glass.
An Apple iPad demo model exploded on Wednesday in a Vodafone store in Canberra, Australia, pushing customers to evacuate, reported News.com.au.
BlackBerry will pay its new interim CEO a base salary of $1 million, a bonus, as well as stock awards potentially worth some $85 million.
The Plaid Parliament of Pwning team from Carnegie Mellon let CNBC cameras follow members as they work to claim a coveted hacking title.
Chrysler Group LLC said on Friday it is recalling 1.2 million Ram pickup trucks to check for a defect that could cause loss of steering.
Home Depot announced it had fired an outside marketing agency responsible for issuing a racist tweet and apologized for the "offensive" message.
Cybercrime is on the rise, with some hackers even demanding ransom. Learn how to ward off the bad guys.
Just a month after many people predicted its demise, the virtual currency climbed to a record $273.50.
Microsoft has narrowed its list of external candidates to replace Chief Executive Steve Ballmer to about five people, according to sources.
This is your ticket to live coverage of Twitter's initial public offering.
Fresh research has revealed that sales of "phablets" - oversized smartphone handsets - have surged this year.
Twitter's biggest IPO fear should be that investors love its stock too much, at least initially.
Get the best of CNBC in your inbox
Matt Hunter is the senior technology editor at CNBC.com.
Ari Levy is CNBC.com's senior technology reporter in San Francisco.
Cadie Thompson is a tech reporter for the Enterprise Team for CNBC.com.
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.
Mark Berniker is CNBC's Silicon Valley/San Francisco Bureau Chief covering technology and digital media.
Apple's mobile payments service and the cryptocurrency are "not super comparable," says investor Cameron Winklevoss.
Rather than jump at the Alibaba IPO, RiverPark/Wedgewood fund's David Rolfe might "wait years to get it at our price."
Though Alibaba is seeking a valuation of as much as $162.7 billion, one stock market pro thinks it could fetch up to $240 billion.