US STOCKS-Wall St rises as traders count down to Yellen speech
* Yellen due to speak at 10:00 a.m. ET
* Q2 GDP grows by 1.1 pct vs prior estimate of 1.2 pct
* Herbalife drops on report of Icahn's planned stake sale
* Indexes up: Dow 0.29 pct, S&P 0.3 pct, Nasdaq 0.26 pct (Updates to open)
By Yashaswini Swamynathan
Aug 26 (Reuters) - Wall Street was higher on Friday morning, boosted by financial stocks, minutes before a speech by Federal Reserve Chair Janet Yellen that is expected to provide a clearer picture on when interest rates will be raised next.
Yellen speaks before a gathering of global central bankers in Jackson Hole, Wyoming, at 10:00 a.m. ET (1400 GMT).
Her language will be carefully scrutinized, especially after an increasing number Fed policymakers have pushed the case for raising rates by pointing at improving employment and inflation rates. At least three more Fed members on Friday added to the hawkish tone.
All 10 major S&P 500 sectors were higher. Financials , which stand to gain the most if rates are raised, increased 0.36 percent. Continuación...