After the UK economy posted an unexpected contraction in the second-quarter and the labor market surprised to the upside, forex traders will get key retail sales data this morning. Economists predict a contraction, but with the British Pound in extreme oversold conditions, will retail sales ignite a counter-trend short-covering rally? Momentum in the GBPCHF has been building up as this currency pair reached the upper band of its horizontal support area, will this level hold and can bulls force a march to the upside?