The government is appealing, with a further hearing expected next month. A statement is to be made to MPs on Monday but the prime minister's official spokesman said the government had "no intention of letting" the judgement "derail Article 50 or the timetable we have set out. We are determined to continue with our plan".
Sterling is currently being traded around 1.24 handle. Pair is likely to find support around 1.2350 area and resistance above 1.2450 level.