Looking at the daily chart GBP/USD remained bullish after bouncing off the rising channel support last week. (GBP/USD daily chart 3/31)Within this bullish context, we do see some possible near-term resistance in 1.6650-60 area, which acted as resistance/support pivot throughout 2014 as seen in the 4H chart. The 4H stochastic is also showing bearish divergence in the overbought area.It looks like the market is due for a brief, at least intra-session bearish attempt. However, if the market is indeed still bullish, this dip should be brief, and should hold above 1.6535. (GBP/USD 4H chart 3/31)Bearish scenario:If the dip extends below 1.6535, the bullish outlook will still be valid, but weakens. A break below 1.6460 however, should prompt a serious consideration of a bearish GBP/USD since it would also break below the rising channel support.