GBP/USD retraced most of its intraday gains over the last hours after being rejected from above 1.4000. GBP/USD came under renewed pressure after data showed UK PMI for February came in at 50.8 below the 52.2 expected. GBP/USD turned lower after hitting a peak of 1.4017 and retreated all the way back to the 1.3920 zone. At time of writing, the pair is trading at 1.3940, still 0.18% above its opening price. Meanwhile, US dollar virtually ignored the ISM Manufacturing index, which rose to 49.5, beating slightly expectations of 48.5 in February. GBP/USD levels to watch In terms of technical levels, immediate resistances are seen at 1.4017 (Mar 1 high), 1.4041 (Feb 26 high) and 1.4115 (10-day SMA). On the flip side, supports could be faced at 1.3908 (Mar 1 low), 1.3835 (7-year low, Feb 29) and 1.3653 (monthly low March 2009). For more information, read our latest forex news.