Analysts at ANZ explained that this week’s EU summit will be a crucial test for sterling. The perceived success of UK PM Cameron in achieving his reform goals is key. Key Quotes: "A positive EU summit which boosts the anti-Brexit campaign would likely see the UK’s EU membership referendum confirmed for 23 June. The reality of ‘Brexit’ would usher in a very uncertain time for the UK economy with the practicalities of leaving the EU to be worked out and actioned and would be negative for sterling." For more information, read our latest forex news.