Cable has had a big move in this thin-liquidity time of the 24 hour day
Liquidity in GBP pairs is shot to pieces, but if you can get set for the your amount you will do well on these moves.
News-driven? There is always news about, and this will have been a GBP positive, helping it along:
May Backs Down on Parliament Vote Over Her Brexit Terms
Its not as if it hasn't been covered earlier, but still.
Short-covering in the mix also, natch
And, as I get around to pasting in a chart ... GBP giving back some of its run:
