Last week's bearish reversal for GBP/JPY ended a sequence of higher weekly lows which is negative. Today's bearish gap open has taken prices through their key 50,100 & 200 day average rates which is also bearish for sentiment, keeping signals pointing lower and to selling rallies. This week's call is to sell at market and 170.68, Monday's high in Asia with a stop loss at 171.59, last week's close.