Up and down action between support/resistance levels.
Yesterday the GBPUSD trended lower into the NY afternoon session, then died down. The low for yesterday stalled at near the 50% of the move down from the post-Brexiit high to the post-Brexit low. That level comes in at 1.31629 and the low reached 1.3165. So support held at the 50% level (see daily chart below).