*Amazon.com shares tumble after earnings disappoint. NEW YORK, Jan 31- A selloff in emerging markets sent a cold chill down Wall Street, triggering a slide on Friday and making January its worst month since May 2012 after one of its best years in more than a decade. Chevron Corp and Amazon.com were among the biggest drags.
*January is worst month for Dow and S&P 500 since May 2012. NEW YORK, Jan 31- A selloff in emerging markets sent a cold chill down Wall Street, triggering a slide on Friday and making January its worst month since May 2012 after one of its best years in more than a decade.
*Amazon.com shares tumble after earnings disappoint. *Wal-Mart cuts outlook due to store closings. NEW YORK, Jan 31- U.S. stocks fell on Friday, with the S&P 500 on track for its first monthly loss since August as disappointing corporate earnings from big companies like Amazon.com and concerns about the euro zone and emerging markets kept investors on edge.
*Wal-Mart cuts outlook; shares off in premarket trade. NEW YORK, Jan 31- U.S. stocks retreated on Friday, on course for their first monthly decline since August, in the wake of weak earnings reports by companies like Amazon and Walmart and concerns about declining currencies in emerging markets.
*Mattel shares plunge after fourth-quarter results. *Wal-Mart cuts outlook; shares off in premarket trade. NEW YORK, Jan 31- Wall Street was poised to tumble at the open on Friday and was set for its first monthly decline since August, hurt by weaker-than-expected inflation data in the euro zone and ongoing concerns about turbulence in emerging markets.
*Mattel shares plunge after fourth-quarter results. *Mattel Inc shares declined nearly 7 percent in premarket trade after the world's largest toy company's fourth quarter profit missed Wall Street's estimates.
Some of the names on the move ahead of the open.
NEW YORK, Jan 30- The S&P 500 scored its biggest gain in more than a month on Thursday as Facebook led a tech rally and data showed the U.S. economy was on solid footing in the fourth quarter. Facebook Inc shares jumped 14.1 percent to end at $61.08, hitting a lifetime high of $62.50 during the session and supporting both the S&P 500 and Nasdaq.
Companies making headlines after the bell Thursday.
The social game maker posted results that, while still a loss, beat expectations, and said it would lay off 15 percent of its workers.
Talking Squawk, the "Squawk Box" blog, provides tidbits, insights and sarcastic reflections on the WEEK THAT WAS and the WEEK TO COME.
SAN FRANCISCO, Jan 22- Facebook Inc said on Wednesday that it is displaying ads from a small group of marketers on other companies' smartphone apps, the latest sign that the world's No. 1 online social network is closer to launching an ad network business.
Bitcoin has become a coin of the realm of the Sacramento Kings, a newspaper reports.
Bitcoin's resiliency—as well as its recent rise above $1,000—is gaining it additional converts to the belief that the cryptocurrency is for real.
As Zynga becomes the latest adopter of the digital currency, the move highlights a budding trend: businesses adopting bitcoin to woo a key consumer demographic.
Relatively low risk and guaranteed media attention mean other companies are likely to jump on board with bitcoin payments soon.
Bitcoin was back above $1,000 again after Zynga said it would test the virtual currency for payments.
These companies will have to make significant changes if they're to become a Wall Street comeback story. The Fiscal Times reports.
A former candidate for governor of Oregon was sentenced to six years in prison for convincing investors he had access to shares of Facebook before its IPO.
Mobile app downloads are expected to surge this holiday season, meaning big bucks for some app makers.