FXStreet (Edinburgh) - The shared currency keeps trading on the defensive vs. the greenback at the beginning of the week, taking EUR/USD back to sub-1.0900 levels. EUR/USD focus on risk trends The ongoing unease around crude oil prices plus the almost omnipresent jitters over the Chinese economy are poised to drive investors’ sentiment today, all against the backdrop of an empty docket in Euroland and the inactivity in the US markets due to the observance of the Martin Luther King holiday. Spot is coming down after being rejected from the vicinity of the psychological 1.10 mark on Friday, following a weak tone from the batch of US data releases throughout the last week. EUR/USD levels to watch The pair is down 0.30% at 1.0884 and a break below 1.0798 (61.8% Fibo of 1.0538-1.1059) would aim for 1.0709 (low Jan.5) and then 1.0538 (low Dec.3). On the upside, the next hurdle aligns at 1.00987 (high Jan.15) followed by 1.1000 (100-day sma) ahead of 1.1059 (high Dec.15). For more information, read our latest forex news.