JeeYeon Park is a writer for CNBC.com.
Federal Reserve Chair Janet Yellen said Thursday that harsh winter weather may have had an impact on recent economic data and reiterated her stance that accomodative monetary policy should remain appropriate for some time.
Check out which companies are making headlines after the bell Wednesday:
Stocks eked out small gains in volatile trading Wednesday, with the Nasdaq briefly hitting a 14-year high.
Stocks drifted higher to close at session highs Thursday, with the S&P nearing its all-time high, as investors seemed to shrug off a mixed bag of economic and earnings reports.
Stocks finished near session lows in volatile trading Wednesday, with the Nasdaq snapping an eight-day winning streak, as investors digested minutes from the Fed's latest policy meeting.
Stocks capped the week with impressive gains as investors seemed to shrug off a batch of mixed economic reports. All three major averages posting their biggest weekly gain of the year.