Bullish pressure was applied on visiting depicted Fibonacci levels especially 78% which pushed the pair to the upside towards 1.5390-1.5400.
Yesterday, the GBP/USD pair expressed daily closure at 1.5409. This will probably open the way towards 1.5580.
On the 4H chart, we can see bullish pressure being formed after visiting Psychological Support at 1.5000 on May 29.
Intraday support is located around 1.5380 where price action should be watched carefully.
Consolidation again below 1.5390 invalidates the bullish scenario mentioned above.