The Dow Jones-FXCM U.S. Dollar Index is struggling to retain the bullish momentum, while the GBP/USD risks a larger correction ahead of the BoE meeting.
http://www.dailyfx.com/forex/fundamental/us_dollar_index/daily_dollar/2014/08/27/GBP-USD-Risks-Larger-Rebound-as-RSI-Threatens-Bearish-Momentum.html?CMP=SFS-70160000000NbUBAA0
