Yesterday's cross-inspired rally to 91.39 signals recent upmove from 88.55 to retrace erratic decline from 93.78 is still in progress and upside bias remains for further gain to daily chart resistance at 91.88 after initial consolidation.  
On the downside, below 90.40/50 would be the first signal aforesaid rise has possibly formed a temporary top but breach of 90.00/05 is needed to confirm, 89.70/80 later.