GBP/USD has broken trend line resistance around 1.5500 (trend line joining 1.5658 and 1.5585) and any break above confirms major trend reversal, a jump till 1.5580/1.5600/1.5650 is possible.
On the downside minor support is around 1.5450 and break below targets 1.5430/1.5400.
Overall bullish invalidation only below 1.5400 level.
It is good to buy around 1.5495-98 with SL around 1.5450 for the TP of 1.5580/1.5600