Telefonica SA (TEF)

Palo Alto shares have been red-hot.

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U.S.-listed FedEx and Telefonica are among the companies that had to fend off a huge ransomware attack on Friday.

Telefónica (NYSE:TEF) (LSE:TDE): Financial Highlights Revenues amounted to €13,132M (+5% year on year; +1.

Telfonica beat analysts' bottom-line estimates.

5G could be a $1.23 trillion industry by 2026, Ericsson predicts.

The search giant wants to help carriers adopt technologies that make it easier to replace proprietary hardware with commodity servers and switches.

The search giant wants to help carriers adopt technologies that make it easier to replace proprietary hardware with commodity servers and switches.

This market could have a lot further to run in 2017 -- here are five big stocks that look ready to lead the S&P higher.

These five market movers could the S&P to further all-time highs.

The Dow tries to capture the historic 20,000 level on Tuesday, but a lack of forward momentum puts it within agonizing reach without pushing it over the edge.

The Dow Jones Industrial Average hovers agonizingly close to its historic 20,000 level on Tuesday, failing to gather the last bit of momentum to top the milestone.

The Dow Jones Industrial Average draws close to clinching the 20,000 milestone on Tuesday as it trades higher than its all-time closing high.

The U.S. media company has acquired Spanish-language channel Televisión Federal in an effort to expand its presence in Argentina and Latin America.

Bain Capital's TI Fluid blames its retreat on market conditions.

An unconfirmed report that Deutsche Bank is close to a $5.4 billion deal with the DoJ, which initially wanted $14 billion for mortgage-backed securities abuse, adds zest to DAX.

ProFuturo, the great digital education project for underprivileged children and adolescents sponsored by the Telefónica Foundation (NYSE:TEF) (LSE:TDE) and the "la Caixa" Banking Foundation through their presidents,...

Check out the names that are showing technical characteristics of bullish or bearish reversal patterns over the last week.

Telefonica (TEF) announced late Monday that it would sell shares of Telxius, its infrastructure subsidiary, and said it could do the same with O2, its British wireless unit.

Miners, oil producers up; M&S, Lloyds, RBS down

Oil gains on the prospect of Russia and Saudi Arabia cooperation.

Miners pull London benchmark index up.

Each of these high-yield stocks offers potential for strong current income, but investors need to understand their risks.

Soft capital spending from telcos weighed on Cisco's router sales and order growth. Many peers are facing similar challenges.

As a bombed-out pound leaves British assets at a discount, who will be next in the post-Brexit M&A binge?

TheStreet highlights 3 stocks pushing the telecommunications industry lower today.

Keeping tabs on trucks is one of the top markets in the burgeoning "Internet of Things."

Shares of Telefonica (TEF) closed higher on Wednesday as the company announced it is removing the sale of its wireless carrier O2 due to Brexit.