• NYSE stocks posting largest percentage decreases Wednesday, 28 Jan 2015 | 1:21 PM ET

    NEW YORK— A look at the 10 biggest percentage decliners on New York Stock Exchange at the close of trading:. Bill Barrett Corp. fell 17.0 percent to $8.98. Meritor Inc. fell 12.4 percent to $13.20.

  • SAN FRANCISCO, Jan 27- Yahoo Inc plans to spin off its 15 percent stake in China's Alibaba Group Holding Ltd, responding to pressure to hand over to shareholders its prized e-commerce investment valued at roughly $40 billion. Shareholders feel that Yahoo and its stake in Alibaba would be worth more separately, so long as the Alibaba shares are not subject to the...

  • SAN FRANCISCO— Yahoo CEO Marissa Mayer is spinning off the company's $39 billion stake in China's Alibaba Group Holding in a move that wards off a potential shareholder rebellion. The highly anticipated decision announced Tuesday will enable Yahoo to avoid paying billions of dollars in future taxes while intensifying the pressure on Mayer to prove she can...

  • In CNBC's "Face to Face" video series, Arianna Huffington, Huffington Post Media Group Chair shared her experience working with AOL, at Davos with CNBC's Andrew Ross Sorkin.

  • Starboard pushes for Staples-Office Depot merger Tuesday, 20 Jan 2015 | 1:33 PM ET

    Activist investor Starboard Value has written a letter to Staples urging it to merge with rival Office Depot.

  • Yahoo's Mayer poised to make $37B Alibaba decision Tuesday, 20 Jan 2015 | 12:47 PM ET
    Marissa Mayer

    Yahoo CEO Marissa Mayer faces a decision on how to manage a 15 percent stake in Alibaba Group worth nearly $37 billion.

  • SAN FRANCISCO— Yahoo CEO Marissa Mayer is facing her biggest business decision since she left Google two-and-a-half years ago to lead its struggling rival: how to manage Yahoo's most valuable asset, a 15 percent stake in Chinese Internet star Alibaba Group worth nearly $37 billion. "This is a defining moment for her," says Eric Jackson, managing partner of hedge...

  • Face to Face: Arianna Huffington and Paulo Coelho Tuesday, 20 Jan 2015 | 12:00 AM ET
    Andrew Ross Sorkin, Arianna Huffington and Paulo Coelho at Davos

    This year, CNBC teamed up with Facebook to bring together some of the smartest minds at Davos to answer your questions.

  • Yahoo shareholders spooked before news from Mayer Wednesday, 14 Jan 2015 | 1:53 PM ET
    Yahoo CEO Marissa Mayer speaks at TechCrunch Disrupt NY 2014 in New York.

    Yahoo's stock price has suffered as shareholders get nervous about the company's next strategic move.

  • Early movers: TIF, DLTR, CZR, MS, GM & more Monday, 12 Jan 2015 | 7:58 AM ET
    Trader on the floor of the New York Stock Exchange.

    Some of the names on the move ahead of the open.

  • Starboard letter warns against Yahoo acquisitions Thursday, 8 Jan 2015 | 1:44 PM ET
    Yahoo President and CEO Marissa Mayer

    Starboard Value delivered a letter to Yahoo's board expressing concern that the company may be considering a major acquisition.

  • Jan 8- Activist-investor Starboard Value LP has reiterated that Yahoo Inc should consider a merger with AOL Inc and cut costs to improve profits, spurred by media reports that Yahoo is exploring other large-scale acquisitions. Starboard, in September, urged Yahoo to consider merging with AOL on the grounds that a deal could create up to $1 billion in "synergies"...

  • BUZZ-YAHOO INC, AOL INC: STARBOARD KEEPS UP PRESSURE TO MERGE@** Yahoo's shares up 2.4 pct at $49.74; AOL's. **Starboard LP writes to Yahoo CEO Marissa Mayer, saying company should explore combination with AOL and cut costs to improve profits. **Up to Wednesday's close, AOL's stock had risen 7.3 pct and Yahoo's stock had risen 24.7 pct since Starboard delivered its...

  • Starboard reiterates Yahoo should combine with AOL Thursday, 8 Jan 2015 | 9:48 AM ET

    Jan 8- Yahoo Inc shareholder Starboard Value LP reiterated that the company should explore a combination with AOL Inc and cut costs to improve profits. Yahoo's number one priority must be to monetize its investments in Alibaba Group Holding Ltd and Yahoo Japan Corp, the activist investor wrote in a letter to Yahoo's board on Thursday. Starboard, which first...

  • Starboard concerned over Yahoo acquisition  Thursday, 8 Jan 2015 | 9:32 AM ET

    Starboard has issued a letter expressing its concern over reports of a Yahoo acquisition, reports CNBC's David Faber.

  • Start-ups face digital advertising squeeze Thursday, 8 Jan 2015 | 12:00 AM ET

    A wave of M&A in the digital ad space may leave no room for start-up companies, according to a recent report.

  • Advertisers may fall in love with cord cutters Wednesday, 7 Jan 2015 | 2:06 PM ET
    DISH President and CEO Joe Clayton introduces Sling Television, an Internet pay-television service, at he 2015 International CES on January 5, 2015 in Las Vegas.

    Cord cutting has been blamed for weak TV ratings, but viewers who watch video over the Internet may be more valuable to advertisers.

  • AOL CEO dismisses merger, takeover rumors Wednesday, 7 Jan 2015 | 12:50 PM ET
    Tim Armstrong, CEO of AOL at CES 2015 in Las Vegas.

    Tim Armstrong, AOL's chief executive, dismissed recent rumors of a possible partnership with Verizon or merger with Yahoo.

  • Reality of AOL's ad biz  Wednesday, 7 Jan 2015 | 10:16 AM ET

    Tim Armstrong, AOL chairman & CEO, discusses Yahoo merger buzz, the future of digital advertising and competition in the media technology space.

  • AOL's Armstrong: On digital mission  Wednesday, 7 Jan 2015 | 10:14 AM ET

    CNBC's Julia Boorstin speaks to Tim Armstrong, AOL chairman & CEO, about the speculation of a deal with Verizon and the company's digital content strategy.