"There can be no way that you can tell me from a valuation perspective that it's worth what it's trading for," NYU's Aswath Damodaran says.
Some of the names on the move ahead of the open.
Google's Motorola unit is expected to unveil a low-cost phone, amid weak sales of its flagship Moto X model, The Wall Street Journal reported.
CNBC highlights some the greatest hits in cryptocurrency, including defunct and dubious alternatives. These options are not for the fainthearted.
Joaquin Almunia, European Commission's vice president and competition commissioner, comments on the EU's investigation on Google and says the group's latest proposals are being tested.
When it comes to learning about the evils of Internet piracy, Hollywood studios and the major music labels want kids to start young.
Internet stocks have been on fire during the last year, but the sector may be bracing for a pullback.
Long term, shares of Facebook will top $60, Rosecliff Capital's Mike Murphy says.
The "Fast Money" traders share their final trades of the day.
Joining the ranks of tech stocks Google and Microsoft, Twitter meets Muslim principles and is considered eligible for investment by Islamic funds.
The CEO of Staples says “we are gaining momentum” but retail analyst Brian Sozzi says don’t be fooled. Here are 7 red flags that suggest Staples may be doomed.
With less than 40 trading days to go in 2013, the traders kicked off a big week of "Fast Money."
The official "Squawk Box" blog looks at some deluxe apartments in the sky, the Twitter IPO, and one state's proposal to raise money via weed.
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.
Charles Sizemore, Chief Investment Officer of Sizemore Capital Management says that based on Thursday's closing price Twitter is trading at 45 times trailing revenue and that makes it an expensive stock to own.
U.S. stocks fell on Thursday, with the Dow Jones Industrial Average halting its record advance and Twitter's market debut drawing the spotlight, as investors reacted to an unexpected rate cut by the European Central Bank and a read on third-quarter U.S. economic growth.
Most Silicon Valley start-ups are focused on development, Chris Messina, the so-called godfather of the hashtag, told CNBC on Thursday.
Twitter opened for trading in 2013's most eagerly anticipated IPO and the most hyped stock flotation since Facebook went public.
Twitter's original expected range was $23 to $25 per share.
Investors should wait for a better entry point on Twitter stock, said Dan Nathan of RiskReversal.com.