US STOCKS-Wall St opens higher as Yellen eases slowing growth fears
* Yellen expects Fed to hike rates later this year
* Bank stocks rise on Yellen comments
* Q2 GDP revised upwards to 3.9 pct from 3.7 pct
* Nike jumps after quarterly profit beats estimates
* Indexes up: Dow 1.06 pct, S&P 0.67 pct, Nasdaq 0.70 pct (Updates to open)
By Tanya Agrawal
Sept 25 (Reuters) - U.S. stocks opened higher on Friday, a day after Federal Reserve Chair Janet Yellen said she expects interest rates to be raised this year, easing concerns about slowing global growth.
Nike's surprisingly strong results in China and data showing that the U.S. economy expanded more than previously estimated in the second quarter added to the positive tone.
Markets have been skittish since last Thursday, when Yellen cited concerns about slowing growth as a key reason for holding off from a much-anticipated hike. Since then, the S&P 500 had fallen about 3 percent through Thursday's close. Continuación...