Tiernan Ray

Tiernan Ray has been covering technology and business for over 24 years. He was most recently technology editor for Barron's where he wrote daily market coverage for the Tech Trader blog and wrote the weekly print column of that name. He has also worked for Bloomberg and SmartMoney, and for the prestigious ComputerLetter newsletter covering venture capital investments in tech. In addition to TheStreet.com, his writing about artificial intelligence can be seen on ZDNet.com. His work has been published in the New York Times, Fortune magazine, and CNN Money. He is a graduate of Princeton University and a native of New York City.

Recent Articles By The Author

Uber Closes Below IPO Price: Will Investors Believe the Profit Story?

Uber Closes Below IPO Price: Will Investors Believe the Profit Story?

Uber shares debut Friday below their offer price and fell further from there, raising the question of whether investors believe the long-term profit model the company has been pitching.

Roku CFO on Company's Rocketing Stock Price: 'We Are Ideally Positioned'

Roku CFO on Company's Rocketing Stock Price: 'We Are Ideally Positioned'

Is Roku's stock cheap or pricey? Either way, there's value in the company's role in the middle of streaming, says its CFO.

Artificial Intelligence Is the Key to Understanding Big Tech Firms' Moves

Artificial Intelligence Is the Key to Understanding Big Tech Firms' Moves

Don't dare call it experimentation: an age of artificial intelligence has inspired a kind of business plan by trial and error for giant, cash-rich companies like Google.

Twilio CFO Tells TheStreet: 'We Are in Very Rare Company'

Twilio CFO Tells TheStreet: 'We Are in Very Rare Company'

Twilio's stock has more than tripled in the past year, and CFO Khozema Shipchandler says the cloud software vendor is continuing to invest for growth.

Juniper CEO Trumpets New Products But Investors Aren't Buying Story Yet

Juniper CEO Trumpets New Products But Investors Aren't Buying Story Yet

Juniper Networks is counting on a raft of new products and continued acquisitions to drive growth this year, but the markets for 5G wireless services and 400-gig data center networking are not cooperating at the moment.

Pinterest, Zoom Surge on Debuts, but Can They Avoid Lyft's Fate?

Pinterest, Zoom Surge on Debuts, but Can They Avoid Lyft's Fate?

The economics of both firms are attractive, but their valuations are very high, as is typical for tech new issues.

Lyft's Uber Shock Means It's Time to Separate IPO Wheat from the Chaff

Lyft's Uber Shock Means It's Time to Separate IPO Wheat from the Chaff

Lyft's soggy performance and Pinterest's slowing growth suggest investors will draw a clear divide between tech IPO winners and losers this year.

Twilio, Zscaler, Okta and Other Cloud Darlings Have Further to Fall

Twilio, Zscaler, Okta and Other Cloud Darlings Have Further to Fall

Zscaler, Twilio, Okta and other cloud computing favorites sport very high multiples as tech investors crowd into growth names. They need to cool off before they can go higher.

Google, Amazon and Microsoft Will Profit Most From 5G, Not AT&T and Verizon

Google, Amazon and Microsoft Will Profit Most From 5G, Not AT&T and Verizon

The cloud giants will get the biggest payoffs from faster and better wireless networks, not the network providers themselves.

Apple and the FANG Gang Should Just Pay Out Cash to Shareholders

Apple and the FANG Gang Should Just Pay Out Cash to Shareholders

Apple, Alphabet and the rest seem increasingly bent on making their businesses boring. As a result, they should consider emulating master limited partnerships (MLPs).