Stocks tumbled amid concerns events surrounding Ukraine are escalating and China's slowing growth will rub off on the global economy and bite corporate profits.» Read More
*Ukraine tension darkens Europe outlook, potential Brent demand. NEW YORK, Feb 27- Brent crude oil futures fell on Thursday, pressured by volatility in Ukraine that curbed risk appetite.
Stocks turn positive, reversing early losses. Fed Chair Yellen says harsh weather has played a role in recently weak data.
Federal Reserve Chair Janet Yellen testifying before Congress said the Fed simply does not have the authority to regulate bitcoin.
*Yellen testifies before Senate Banking Committee. Federal Reserve Chair Janet Yellen on the economy and monetary policy in testimony before the Senate Banking Committee.
Sen. Elizabeth Warren, (D-MA) asks Fed chair Janet Yellen what evidence she would need to see to declare "too big to fail" has ended.
NEW YORK, Feb 27- Stocks on world markets edged lower on Thursday, as tension in Ukraine and Russia curbed risk appetite, though Wall Street managed to hold near unchanged as investors tuned in to Fed chair Janet Yellen's testimony in Washington.
Feb 27- Federal Reserve Chair Janet Yellen said on Thursday the central bank would be on alert to make sure recent signs of weakness in the U.S. economy are due to cold weather and storms, and not signals of a more fundamental slowdown.
*J.C. Penny, Best Buy rally after results. NEW YORK, Feb 27- U.S. stocks were little changed on Thursday as comments from Federal Reserve Chair Janet Yellen failed to provide clarity on the impact of a harsh winter on recent economic weakness, while concerns rose over turmoil in Ukraine.
Fed Chair Janet Yellen tells the Senate Banking Committee that underwriting standards for leveraged lending and farmland prices are "worrisome" for her.
"I think it's clear the unseasonably cold weather has played some role in that, says Fed Chair Janet Yellen discussing recent weak economic data. Yellen says if there is a significant change in the economic outlook the Fed would reconsider "pausing" the taper.
Fed Chair Janet Yellen tells the Senate Banking Committee that when the Fed begins the process of normalizing monetary policy, she will permit "runoff" out of the Fed's portfolio. We have a range of tools we can use to raise the level of interest rates, Yellen says.
Fed Chair Janet Yellen tells the Senate Banking Committee that she expects to end the taper by next Fall. "We've indicated that if the economy progresses as we anticipate that we expect to continue to reduce the pace of purchases in measured steps."
"6.5 percent unemployment is not the committee's definition of what constitutes full employment says," Fed Chair Janet Yellen addressing the employment rate and guidance for the fed funds rate.
CNBC's Steve Liesman reports Janet Yellen discussed the weather for reasons on the recent soft economic data.
Feb 27- Federal Reserve Chair Janet Yellen said on Thursday recent cold weather and storms may have weakened U.S. spending and, while the central bank will monitor it closely, it is yet difficult to know to what extent the U.S. economic recovery will be weaker than expected.
Treasuries debt prices inched up on Thursday as tensions in Ukraine and Russia spurred safety buying, but investors remained cautious ahead of comments from Federal Reserve Chair Janet Yellen on recent economic data.
Addressing income inequality, Fed Chair Janet Yellen tells the Senate Banking Committee that the recession has placed "special burdens" on low income workers and it is the Fed's objective to get the economy back to "full employment."
Fed Chair Janet Yellen comments on a number of data pointing to softer spending. "Part of that softness may reflect adverse weather conditions," she says.
As Janet Yellen prepares to testify in front of the Senate Banking Committee, former St. Louis Fed president and CEO William Poole discusses the biggest issues facing the Fed chair. CNBC's Steve Liesman provides perspective.
CNBC's Steve Liesman reviews recent economic data and discusses expectations for Janet Yellen's upcoming testimony in front of the Senate Banking Committee.