GBPUSD is breaking below the trendline on hourly charts, On technical analysis ground it showing the weakness after a great run up, It can be a exhaustion after a good pull back so losing strength and momentum at this point of time so the weakness will not continue for a longer time and after taking a support it will get ready for the next run up in uptrend.
For trading point of view better go with the short position at this level with keeping an stop loss mentioned in the chart and wait for the target, after reaching the target keep trailing for more, In case if stop loss triggers go buy at the same level and then wait for a good run up.